Home / 5,280,818.10-7,938,139.95-4,906,403.70

Finding the Fourth Proportional to 5,280,818.10, 7,938,139.95 and 4,906,403.70

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Solution

The fourth proportional to 5,280,818.10, 7,938,139.95 and 4,906,403.70 is: 7,375,319.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,818.10 : 7,938,139.95 = 4,906,403.70 : x
  2. Step 2: Convert to fraction form
    5,280,818.10/7,938,139.95 = 4,906,403.70/x
  3. Step 3: Cross multiply
    5,280,818.10x = 7,938,139.95 × 4,906,403.70
  4. Step 4: Simplify right side
    5,280,818.10x = 38,947,719,221,797.82
  5. Step 5: Solve for x
    x = 38,947,719,221,797.82/5,280,818.10
  6. Step 6: Final answer
    x = 7,375,319.22

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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.