Home / 3,438,376.40-5,157,564.60-914,286.80

Finding the Fourth Proportional to 3,438,376.40, 5,157,564.60 and 914,286.80

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Solution

The fourth proportional to 3,438,376.40, 5,157,564.60 and 914,286.80 is: 1,371,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,376.40 : 5,157,564.60 = 914,286.80 : x
  2. Step 2: Convert to fraction form
    3,438,376.40/5,157,564.60 = 914,286.80/x
  3. Step 3: Cross multiply
    3,438,376.40x = 5,157,564.60 × 914,286.80
  4. Step 4: Simplify right side
    3,438,376.40x = 4,715,493,233,927.28
  5. Step 5: Solve for x
    x = 4,715,493,233,927.28/3,438,376.40
  6. Step 6: Final answer
    x = 1,371,430.20

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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.