Home / 2,780,781.60-4,171,172.40-887,584.80

Finding the Fourth Proportional to 2,780,781.60, 4,171,172.40 and 887,584.80

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Solution

The fourth proportional to 2,780,781.60, 4,171,172.40 and 887,584.80 is: 1,331,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,781.60 : 4,171,172.40 = 887,584.80 : x
  2. Step 2: Convert to fraction form
    2,780,781.60/4,171,172.40 = 887,584.80/x
  3. Step 3: Cross multiply
    2,780,781.60x = 4,171,172.40 × 887,584.80
  4. Step 4: Simplify right side
    2,780,781.60x = 3,702,269,220,419.52
  5. Step 5: Solve for x
    x = 3,702,269,220,419.52/2,780,781.60
  6. Step 6: Final answer
    x = 1,331,377.20

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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.