Home / 2,238,390.60-3,358,898.10-818,590.20

Finding the Fourth Proportional to 2,238,390.60, 3,358,898.10 and 818,590.20

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Solution

The fourth proportional to 2,238,390.60, 3,358,898.10 and 818,590.20 is: 1,228,365.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,390.60 : 3,358,898.10 = 818,590.20 : x
  2. Step 2: Convert to fraction form
    2,238,390.60/3,358,898.10 = 818,590.20/x
  3. Step 3: Cross multiply
    2,238,390.60x = 3,358,898.10 × 818,590.20
  4. Step 4: Simplify right side
    2,238,390.60x = 2,749,561,067,458.62
  5. Step 5: Solve for x
    x = 2,749,561,067,458.62/2,238,390.60
  6. Step 6: Final answer
    x = 1,228,365.18

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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.