Home / 3,072,152.40-4,608,228.60-2,778,219.60

Finding the Fourth Proportional to 3,072,152.40, 4,608,228.60 and 2,778,219.60

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Solution

The fourth proportional to 3,072,152.40, 4,608,228.60 and 2,778,219.60 is: 4,167,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,152.40 : 4,608,228.60 = 2,778,219.60 : x
  2. Step 2: Convert to fraction form
    3,072,152.40/4,608,228.60 = 2,778,219.60/x
  3. Step 3: Cross multiply
    3,072,152.40x = 4,608,228.60 × 2,778,219.60
  4. Step 4: Simplify right side
    3,072,152.40x = 12,802,671,017,800.56
  5. Step 5: Solve for x
    x = 12,802,671,017,800.56/3,072,152.40
  6. Step 6: Final answer
    x = 4,167,329.40

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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.