Home / 5,428,717.26-8,143,356.15-1,385,240.46

Finding the Fourth Proportional to 5,428,717.26, 8,143,356.15 and 1,385,240.46

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Solution

The fourth proportional to 5,428,717.26, 8,143,356.15 and 1,385,240.46 is: 2,077,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,717.26 : 8,143,356.15 = 1,385,240.46 : x
  2. Step 2: Convert to fraction form
    5,428,717.26/8,143,356.15 = 1,385,240.46/x
  3. Step 3: Cross multiply
    5,428,717.26x = 8,143,356.15 × 1,385,240.46
  4. Step 4: Simplify right side
    5,428,717.26x = 11,280,506,419,169.83
  5. Step 5: Solve for x
    x = 11,280,506,419,169.83/5,428,717.26
  6. Step 6: Final answer
    x = 2,077,932.20

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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.