Home / 2,165,179.19-2,987,614.43-1,247,229.04

Finding the Fourth Proportional to 2,165,179.19, 2,987,614.43 and 1,247,229.04

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Solution

The fourth proportional to 2,165,179.19, 2,987,614.43 and 1,247,229.04 is: 1,720,984.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,179.19 : 2,987,614.43 = 1,247,229.04 : x
  2. Step 2: Convert to fraction form
    2,165,179.19/2,987,614.43 = 1,247,229.04/x
  3. Step 3: Cross multiply
    2,165,179.19x = 2,987,614.43 × 1,247,229.04
  4. Step 4: Simplify right side
    2,165,179.19x = 3,726,239,477,419.05
  5. Step 5: Solve for x
    x = 3,726,239,477,419.05/2,165,179.19
  6. Step 6: Final answer
    x = 1,720,984.34

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.