Home / 2,129,246.10-3,193,869.15-1,373,418.90

Finding the Fourth Proportional to 2,129,246.10, 3,193,869.15 and 1,373,418.90

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Solution

The fourth proportional to 2,129,246.10, 3,193,869.15 and 1,373,418.90 is: 2,060,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,246.10 : 3,193,869.15 = 1,373,418.90 : x
  2. Step 2: Convert to fraction form
    2,129,246.10/3,193,869.15 = 1,373,418.90/x
  3. Step 3: Cross multiply
    2,129,246.10x = 3,193,869.15 × 1,373,418.90
  4. Step 4: Simplify right side
    2,129,246.10x = 4,386,520,254,736.93
  5. Step 5: Solve for x
    x = 4,386,520,254,736.93/2,129,246.10
  6. Step 6: Final answer
    x = 2,060,128.35

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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.