Home / 3,165,280.20-4,366,494.04-2,077,400.76

Finding the Fourth Proportional to 3,165,280.20, 4,366,494.04 and 2,077,400.76

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Solution

The fourth proportional to 3,165,280.20, 4,366,494.04 and 2,077,400.76 is: 2,865,767.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,280.20 : 4,366,494.04 = 2,077,400.76 : x
  2. Step 2: Convert to fraction form
    3,165,280.20/4,366,494.04 = 2,077,400.76/x
  3. Step 3: Cross multiply
    3,165,280.20x = 4,366,494.04 × 2,077,400.76
  4. Step 4: Simplify right side
    3,165,280.20x = 9,070,958,037,231.47
  5. Step 5: Solve for x
    x = 9,070,958,037,231.47/3,165,280.20
  6. Step 6: Final answer
    x = 2,865,767.79

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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.