Home / 3,987,432.52-5,980,858.60-1,558,130.74

Finding the Fourth Proportional to 3,987,432.52, 5,980,858.60 and 1,558,130.74

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Solution

The fourth proportional to 3,987,432.52, 5,980,858.60 and 1,558,130.74 is: 2,337,082.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,432.52 : 5,980,858.60 = 1,558,130.74 : x
  2. Step 2: Convert to fraction form
    3,987,432.52/5,980,858.60 = 1,558,130.74/x
  3. Step 3: Cross multiply
    3,987,432.52x = 5,980,858.60 × 1,558,130.74
  4. Step 4: Simplify right side
    3,987,432.52x = 9,318,959,636,253.36
  5. Step 5: Solve for x
    x = 9,318,959,636,253.36/3,987,432.52
  6. Step 6: Final answer
    x = 2,337,082.72

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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.