Home / 3,902,700.56-5,385,550.92-2,160,435.20

Finding the Fourth Proportional to 3,902,700.56, 5,385,550.92 and 2,160,435.20

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Solution

The fourth proportional to 3,902,700.56, 5,385,550.92 and 2,160,435.20 is: 2,981,303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902,700.56 : 5,385,550.92 = 2,160,435.20 : x
  2. Step 2: Convert to fraction form
    3,902,700.56/5,385,550.92 = 2,160,435.20/x
  3. Step 3: Cross multiply
    3,902,700.56x = 5,385,550.92 × 2,160,435.20
  4. Step 4: Simplify right side
    3,902,700.56x = 11,635,133,778,960.38
  5. Step 5: Solve for x
    x = 11,635,133,778,960.38/3,902,700.56
  6. Step 6: Final answer
    x = 2,981,303.23

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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.