Home / 2,534,028.22-3,496,959.57-1,388,149.30

Finding the Fourth Proportional to 2,534,028.22, 3,496,959.57 and 1,388,149.30

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Solution

The fourth proportional to 2,534,028.22, 3,496,959.57 and 1,388,149.30 is: 1,915,646.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,534,028.22 : 3,496,959.57 = 1,388,149.30 : x
  2. Step 2: Convert to fraction form
    2,534,028.22/3,496,959.57 = 1,388,149.30/x
  3. Step 3: Cross multiply
    2,534,028.22x = 3,496,959.57 × 1,388,149.30
  4. Step 4: Simplify right side
    2,534,028.22x = 4,854,301,979,223.80
  5. Step 5: Solve for x
    x = 4,854,301,979,223.80/2,534,028.22
  6. Step 6: Final answer
    x = 1,915,646.38

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Double scale
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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.