Home / 1,512,122.85-2,268,184.28-1,138,874.85

Finding the Fourth Proportional to 1,512,122.85, 2,268,184.28 and 1,138,874.85

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Solution

The fourth proportional to 1,512,122.85, 2,268,184.28 and 1,138,874.85 is: 1,708,312.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,122.85 : 2,268,184.28 = 1,138,874.85 : x
  2. Step 2: Convert to fraction form
    1,512,122.85/2,268,184.28 = 1,138,874.85/x
  3. Step 3: Cross multiply
    1,512,122.85x = 2,268,184.28 × 1,138,874.85
  4. Step 4: Simplify right side
    1,512,122.85x = 2,583,178,025,962.98
  5. Step 5: Solve for x
    x = 2,583,178,025,962.98/1,512,122.85
  6. Step 6: Final answer
    x = 1,708,312.28

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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.