Home / 3,980,095.80-5,970,143.70-2,545,205.10

Finding the Fourth Proportional to 3,980,095.80, 5,970,143.70 and 2,545,205.10

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Solution

The fourth proportional to 3,980,095.80, 5,970,143.70 and 2,545,205.10 is: 3,817,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,095.80 : 5,970,143.70 = 2,545,205.10 : x
  2. Step 2: Convert to fraction form
    3,980,095.80/5,970,143.70 = 2,545,205.10/x
  3. Step 3: Cross multiply
    3,980,095.80x = 5,970,143.70 × 2,545,205.10
  4. Step 4: Simplify right side
    3,980,095.80x = 15,195,240,192,972.87
  5. Step 5: Solve for x
    x = 15,195,240,192,972.87/3,980,095.80
  6. Step 6: Final answer
    x = 3,817,807.65

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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.