Home / 5,140,141.60-7,702,839.60-3,781,703.20

Finding the Fourth Proportional to 5,140,141.60, 7,702,839.60 and 3,781,703.20

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Solution

The fourth proportional to 5,140,141.60, 7,702,839.60 and 3,781,703.20 is: 5,667,130.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140,141.60 : 7,702,839.60 = 3,781,703.20 : x
  2. Step 2: Convert to fraction form
    5,140,141.60/7,702,839.60 = 3,781,703.20/x
  3. Step 3: Cross multiply
    5,140,141.60x = 7,702,839.60 × 3,781,703.20
  4. Step 4: Simplify right side
    5,140,141.60x = 29,129,853,164,406.72
  5. Step 5: Solve for x
    x = 29,129,853,164,406.72/5,140,141.60
  6. Step 6: Final answer
    x = 5,667,130.49

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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.