Home / 5,280,817.60-7,938,139.20-4,906,403.20

Finding the Fourth Proportional to 5,280,817.60, 7,938,139.20 and 4,906,403.20

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Solution

The fourth proportional to 5,280,817.60, 7,938,139.20 and 4,906,403.20 is: 7,375,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,817.60 : 7,938,139.20 = 4,906,403.20 : x
  2. Step 2: Convert to fraction form
    5,280,817.60/7,938,139.20 = 4,906,403.20/x
  3. Step 3: Cross multiply
    5,280,817.60x = 7,938,139.20 × 4,906,403.20
  4. Step 4: Simplify right side
    5,280,817.60x = 38,947,711,572,925.45
  5. Step 5: Solve for x
    x = 38,947,711,572,925.45/5,280,817.60
  6. Step 6: Final answer
    x = 7,375,318.47

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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.