Home / 2,131,437.60-3,197,156.40-1,845,280.80

Finding the Fourth Proportional to 2,131,437.60, 3,197,156.40 and 1,845,280.80

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Solution

The fourth proportional to 2,131,437.60, 3,197,156.40 and 1,845,280.80 is: 2,767,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,437.60 : 3,197,156.40 = 1,845,280.80 : x
  2. Step 2: Convert to fraction form
    2,131,437.60/3,197,156.40 = 1,845,280.80/x
  3. Step 3: Cross multiply
    2,131,437.60x = 3,197,156.40 × 1,845,280.80
  4. Step 4: Simplify right side
    2,131,437.60x = 5,899,651,319,517.12
  5. Step 5: Solve for x
    x = 5,899,651,319,517.12/2,131,437.60
  6. Step 6: Final answer
    x = 2,767,921.20

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Similar ratio
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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.