Home / 5,447,123.28-8,169,633-1,660,988.88

Finding the Fourth Proportional to 5,447,123.28, 8,169,633 and 1,660,988.88

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Solution

The fourth proportional to 5,447,123.28, 8,169,633 and 1,660,988.88 is: 2,491,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447,123.28 : 8,169,633 = 1,660,988.88 : x
  2. Step 2: Convert to fraction form
    5,447,123.28/8,169,633 = 1,660,988.88/x
  3. Step 3: Cross multiply
    5,447,123.28x = 8,169,633 × 1,660,988.88
  4. Step 4: Simplify right side
    5,447,123.28x = 13,569,669,566,681.04
  5. Step 5: Solve for x
    x = 13,569,669,566,681.04/5,447,123.28
  6. Step 6: Final answer
    x = 2,491,162.56

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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.