Home / 2,912,265.40-4,368,398.10-782,564.80

Finding the Fourth Proportional to 2,912,265.40, 4,368,398.10 and 782,564.80

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Solution

The fourth proportional to 2,912,265.40, 4,368,398.10 and 782,564.80 is: 1,173,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,265.40 : 4,368,398.10 = 782,564.80 : x
  2. Step 2: Convert to fraction form
    2,912,265.40/4,368,398.10 = 782,564.80/x
  3. Step 3: Cross multiply
    2,912,265.40x = 4,368,398.10 × 782,564.80
  4. Step 4: Simplify right side
    2,912,265.40x = 3,418,554,585,446.88
  5. Step 5: Solve for x
    x = 3,418,554,585,446.88/2,912,265.40
  6. Step 6: Final answer
    x = 1,173,847.20

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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.