Home / 3,119,387.70-4,679,081.55-2,995,384.80

Finding the Fourth Proportional to 3,119,387.70, 4,679,081.55 and 2,995,384.80

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Solution

The fourth proportional to 3,119,387.70, 4,679,081.55 and 2,995,384.80 is: 4,493,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,387.70 : 4,679,081.55 = 2,995,384.80 : x
  2. Step 2: Convert to fraction form
    3,119,387.70/4,679,081.55 = 2,995,384.80/x
  3. Step 3: Cross multiply
    3,119,387.70x = 4,679,081.55 × 2,995,384.80
  4. Step 4: Simplify right side
    3,119,387.70x = 14,015,649,752,830.44
  5. Step 5: Solve for x
    x = 14,015,649,752,830.44/3,119,387.70
  6. Step 6: Final answer
    x = 4,493,077.20

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Double scale
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Similar ratio
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1.5x scale

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.