Home / 5,229,105.40-7,843,658.10-1,442,582.20

Finding the Fourth Proportional to 5,229,105.40, 7,843,658.10 and 1,442,582.20

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Solution

The fourth proportional to 5,229,105.40, 7,843,658.10 and 1,442,582.20 is: 2,163,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229,105.40 : 7,843,658.10 = 1,442,582.20 : x
  2. Step 2: Convert to fraction form
    5,229,105.40/7,843,658.10 = 1,442,582.20/x
  3. Step 3: Cross multiply
    5,229,105.40x = 7,843,658.10 × 1,442,582.20
  4. Step 4: Simplify right side
    5,229,105.40x = 11,315,121,557,945.82
  5. Step 5: Solve for x
    x = 11,315,121,557,945.82/5,229,105.40
  6. Step 6: Final answer
    x = 2,163,873.30

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Double scale
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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.