Home / 5,138,161.60-7,704,909.60-1,942,225.60

Finding the Fourth Proportional to 5,138,161.60, 7,704,909.60 and 1,942,225.60

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Solution

The fourth proportional to 5,138,161.60, 7,704,909.60 and 1,942,225.60 is: 2,912,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,161.60 : 7,704,909.60 = 1,942,225.60 : x
  2. Step 2: Convert to fraction form
    5,138,161.60/7,704,909.60 = 1,942,225.60/x
  3. Step 3: Cross multiply
    5,138,161.60x = 7,704,909.60 × 1,942,225.60
  4. Step 4: Simplify right side
    5,138,161.60x = 14,964,672,670,805.76
  5. Step 5: Solve for x
    x = 14,964,672,670,805.76/5,138,161.60
  6. Step 6: Final answer
    x = 2,912,456.60

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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.