Home / 2,820,115.96-3,891,349.38-1,612,658.68

Finding the Fourth Proportional to 2,820,115.96, 3,891,349.38 and 1,612,658.68

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Solution

The fourth proportional to 2,820,115.96, 3,891,349.38 and 1,612,658.68 is: 2,225,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,115.96 : 3,891,349.38 = 1,612,658.68 : x
  2. Step 2: Convert to fraction form
    2,820,115.96/3,891,349.38 = 1,612,658.68/x
  3. Step 3: Cross multiply
    2,820,115.96x = 3,891,349.38 × 1,612,658.68
  4. Step 4: Simplify right side
    2,820,115.96x = 6,275,418,354,569.62
  5. Step 5: Solve for x
    x = 6,275,418,354,569.62/2,820,115.96
  6. Step 6: Final answer
    x = 2,225,234.15

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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.