Home / 4,745,606.40-7,120,742.40-2,220,825.60

Finding the Fourth Proportional to 4,745,606.40, 7,120,742.40 and 2,220,825.60

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Solution

The fourth proportional to 4,745,606.40, 7,120,742.40 and 2,220,825.60 is: 3,332,330.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745,606.40 : 7,120,742.40 = 2,220,825.60 : x
  2. Step 2: Convert to fraction form
    4,745,606.40/7,120,742.40 = 2,220,825.60/x
  3. Step 3: Cross multiply
    4,745,606.40x = 7,120,742.40 × 2,220,825.60
  4. Step 4: Simplify right side
    4,745,606.40x = 15,813,927,012,925.44
  5. Step 5: Solve for x
    x = 15,813,927,012,925.44/4,745,606.40
  6. Step 6: Final answer
    x = 3,332,330.09

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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.