Home / 3,438,375.40-5,157,563.10-914,285.80

Finding the Fourth Proportional to 3,438,375.40, 5,157,563.10 and 914,285.80

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Solution

The fourth proportional to 3,438,375.40, 5,157,563.10 and 914,285.80 is: 1,371,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,375.40 : 5,157,563.10 = 914,285.80 : x
  2. Step 2: Convert to fraction form
    3,438,375.40/5,157,563.10 = 914,285.80/x
  3. Step 3: Cross multiply
    3,438,375.40x = 5,157,563.10 × 914,285.80
  4. Step 4: Simplify right side
    3,438,375.40x = 4,715,486,704,933.98
  5. Step 5: Solve for x
    x = 4,715,486,704,933.98/3,438,375.40
  6. Step 6: Final answer
    x = 1,371,428.70

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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.