Home / 3,121,746.20-4,681,963.20-1,324,688.30

Finding the Fourth Proportional to 3,121,746.20, 4,681,963.20 and 1,324,688.30

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Solution

The fourth proportional to 3,121,746.20, 4,681,963.20 and 1,324,688.30 is: 1,986,754.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,746.20 : 4,681,963.20 = 1,324,688.30 : x
  2. Step 2: Convert to fraction form
    3,121,746.20/4,681,963.20 = 1,324,688.30/x
  3. Step 3: Cross multiply
    3,121,746.20x = 4,681,963.20 × 1,324,688.30
  4. Step 4: Simplify right side
    3,121,746.20x = 6,202,141,872,070.56
  5. Step 5: Solve for x
    x = 6,202,141,872,070.56/3,121,746.20
  6. Step 6: Final answer
    x = 1,986,754.04

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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.