Home / 2,078,006.60-3,116,232.30-729,648.20

Finding the Fourth Proportional to 2,078,006.60, 3,116,232.30 and 729,648.20

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Solution

The fourth proportional to 2,078,006.60, 3,116,232.30 and 729,648.20 is: 1,094,199.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,006.60 : 3,116,232.30 = 729,648.20 : x
  2. Step 2: Convert to fraction form
    2,078,006.60/3,116,232.30 = 729,648.20/x
  3. Step 3: Cross multiply
    2,078,006.60x = 3,116,232.30 × 729,648.20
  4. Step 4: Simplify right side
    2,078,006.60x = 2,273,753,288,476.86
  5. Step 5: Solve for x
    x = 2,273,753,288,476.86/2,078,006.60
  6. Step 6: Final answer
    x = 1,094,199.26

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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.