Home / 5,138,257.60-7,705,053.60-1,942,321.60

Finding the Fourth Proportional to 5,138,257.60, 7,705,053.60 and 1,942,321.60

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Solution

The fourth proportional to 5,138,257.60, 7,705,053.60 and 1,942,321.60 is: 2,912,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,257.60 : 7,705,053.60 = 1,942,321.60 : x
  2. Step 2: Convert to fraction form
    5,138,257.60/7,705,053.60 = 1,942,321.60/x
  3. Step 3: Cross multiply
    5,138,257.60x = 7,705,053.60 × 1,942,321.60
  4. Step 4: Simplify right side
    5,138,257.60x = 14,965,692,036,437.76
  5. Step 5: Solve for x
    x = 14,965,692,036,437.76/5,138,257.60
  6. Step 6: Final answer
    x = 2,912,600.57

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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.