Home / 2,086,862.46-3,130,742.55-647,517

Finding the Fourth Proportional to 2,086,862.46, 3,130,742.55 and 647,517

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Solution

The fourth proportional to 2,086,862.46, 3,130,742.55 and 647,517 is: 971,414.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,862.46 : 3,130,742.55 = 647,517 : x
  2. Step 2: Convert to fraction form
    2,086,862.46/3,130,742.55 = 647,517/x
  3. Step 3: Cross multiply
    2,086,862.46x = 3,130,742.55 × 647,517
  4. Step 4: Simplify right side
    2,086,862.46x = 2,027,209,023,748.35
  5. Step 5: Solve for x
    x = 2,027,209,023,748.35/2,086,862.46
  6. Step 6: Final answer
    x = 971,414.77

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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.