Home / 2,642,503.80-3,962,006.10-959,388.60

Finding the Fourth Proportional to 2,642,503.80, 3,962,006.10 and 959,388.60

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Solution

The fourth proportional to 2,642,503.80, 3,962,006.10 and 959,388.60 is: 1,438,447.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,503.80 : 3,962,006.10 = 959,388.60 : x
  2. Step 2: Convert to fraction form
    2,642,503.80/3,962,006.10 = 959,388.60/x
  3. Step 3: Cross multiply
    2,642,503.80x = 3,962,006.10 × 959,388.60
  4. Step 4: Simplify right side
    2,642,503.80x = 3,801,103,485,470.46
  5. Step 5: Solve for x
    x = 3,801,103,485,470.46/2,642,503.80
  6. Step 6: Final answer
    x = 1,438,447.69

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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.