Home / 5,161,722.15-7,123,034.49-2,838,614.66

Finding the Fourth Proportional to 5,161,722.15, 7,123,034.49 and 2,838,614.66

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Solution

The fourth proportional to 5,161,722.15, 7,123,034.49 and 2,838,614.66 is: 3,917,210.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,722.15 : 7,123,034.49 = 2,838,614.66 : x
  2. Step 2: Convert to fraction form
    5,161,722.15/7,123,034.49 = 2,838,614.66/x
  3. Step 3: Cross multiply
    5,161,722.15x = 7,123,034.49 × 2,838,614.66
  4. Step 4: Simplify right side
    5,161,722.15x = 20,219,550,091,384.45
  5. Step 5: Solve for x
    x = 20,219,550,091,384.45/5,161,722.15
  6. Step 6: Final answer
    x = 3,917,210.09

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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.