Home / 5,078,531.12-7,613,312.60-3,885,778.24

Finding the Fourth Proportional to 5,078,531.12, 7,613,312.60 and 3,885,778.24

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Solution

The fourth proportional to 5,078,531.12, 7,613,312.60 and 3,885,778.24 is: 5,825,236.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,531.12 : 7,613,312.60 = 3,885,778.24 : x
  2. Step 2: Convert to fraction form
    5,078,531.12/7,613,312.60 = 3,885,778.24/x
  3. Step 3: Cross multiply
    5,078,531.12x = 7,613,312.60 × 3,885,778.24
  4. Step 4: Simplify right side
    5,078,531.12x = 29,583,644,426,078.99
  5. Step 5: Solve for x
    x = 29,583,644,426,078.99/5,078,531.12
  6. Step 6: Final answer
    x = 5,825,236.42

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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.