Home / 3,120,602.40-4,680,903.60-2,220,141.60

Finding the Fourth Proportional to 3,120,602.40, 4,680,903.60 and 2,220,141.60

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Solution

The fourth proportional to 3,120,602.40, 4,680,903.60 and 2,220,141.60 is: 3,330,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,602.40 : 4,680,903.60 = 2,220,141.60 : x
  2. Step 2: Convert to fraction form
    3,120,602.40/4,680,903.60 = 2,220,141.60/x
  3. Step 3: Cross multiply
    3,120,602.40x = 4,680,903.60 × 2,220,141.60
  4. Step 4: Simplify right side
    3,120,602.40x = 10,392,268,807,949.76
  5. Step 5: Solve for x
    x = 10,392,268,807,949.76/3,120,602.40
  6. Step 6: Final answer
    x = 3,330,212.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.