Home / 3,128,166.30-4,692,249.45-998,465.70

Finding the Fourth Proportional to 3,128,166.30, 4,692,249.45 and 998,465.70

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Solution

The fourth proportional to 3,128,166.30, 4,692,249.45 and 998,465.70 is: 1,497,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,166.30 : 4,692,249.45 = 998,465.70 : x
  2. Step 2: Convert to fraction form
    3,128,166.30/4,692,249.45 = 998,465.70/x
  3. Step 3: Cross multiply
    3,128,166.30x = 4,692,249.45 × 998,465.70
  4. Step 4: Simplify right side
    3,128,166.30x = 4,685,050,131,668.87
  5. Step 5: Solve for x
    x = 4,685,050,131,668.87/3,128,166.30
  6. Step 6: Final answer
    x = 1,497,698.55

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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.