Home / 5,631,206.13-7,777,479.65-3,817,220.85

Finding the Fourth Proportional to 5,631,206.13, 7,777,479.65 and 3,817,220.85

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Solution

The fourth proportional to 5,631,206.13, 7,777,479.65 and 3,817,220.85 is: 5,272,113.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631,206.13 : 7,777,479.65 = 3,817,220.85 : x
  2. Step 2: Convert to fraction form
    5,631,206.13/7,777,479.65 = 3,817,220.85/x
  3. Step 3: Cross multiply
    5,631,206.13x = 7,777,479.65 × 3,817,220.85
  4. Step 4: Simplify right side
    5,631,206.13x = 29,688,357,480,430.70
  5. Step 5: Solve for x
    x = 29,688,357,480,430.70/5,631,206.13
  6. Step 6: Final answer
    x = 5,272,113.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.