Home / 2,487,130.80-3,730,696.20-1,288,654.80

Finding the Fourth Proportional to 2,487,130.80, 3,730,696.20 and 1,288,654.80

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Solution

The fourth proportional to 2,487,130.80, 3,730,696.20 and 1,288,654.80 is: 1,932,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,130.80 : 3,730,696.20 = 1,288,654.80 : x
  2. Step 2: Convert to fraction form
    2,487,130.80/3,730,696.20 = 1,288,654.80/x
  3. Step 3: Cross multiply
    2,487,130.80x = 3,730,696.20 × 1,288,654.80
  4. Step 4: Simplify right side
    2,487,130.80x = 4,807,579,565,471.76
  5. Step 5: Solve for x
    x = 4,807,579,565,471.76/2,487,130.80
  6. Step 6: Final answer
    x = 1,932,982.20

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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.