Home / 5,160,294.12-7,740,736.42-1,566,178.32

Finding the Fourth Proportional to 5,160,294.12, 7,740,736.42 and 1,566,178.32

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Solution

The fourth proportional to 5,160,294.12, 7,740,736.42 and 1,566,178.32 is: 2,349,357.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160,294.12 : 7,740,736.42 = 1,566,178.32 : x
  2. Step 2: Convert to fraction form
    5,160,294.12/7,740,736.42 = 1,566,178.32/x
  3. Step 3: Cross multiply
    5,160,294.12x = 7,740,736.42 × 1,566,178.32
  4. Step 4: Simplify right side
    5,160,294.12x = 12,123,373,561,838.41
  5. Step 5: Solve for x
    x = 12,123,373,561,838.41/5,160,294.12
  6. Step 6: Final answer
    x = 2,349,357.09

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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.