Home / 2,079,274.25-3,118,909.25-782,668.78

Finding the Fourth Proportional to 2,079,274.25, 3,118,909.25 and 782,668.78

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Solution

The fourth proportional to 2,079,274.25, 3,118,909.25 and 782,668.78 is: 1,174,002.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,274.25 : 3,118,909.25 = 782,668.78 : x
  2. Step 2: Convert to fraction form
    2,079,274.25/3,118,909.25 = 782,668.78/x
  3. Step 3: Cross multiply
    2,079,274.25x = 3,118,909.25 × 782,668.78
  4. Step 4: Simplify right side
    2,079,274.25x = 2,441,072,891,787.61
  5. Step 5: Solve for x
    x = 2,441,072,891,787.61/2,079,274.25
  6. Step 6: Final answer
    x = 1,174,002.37

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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.