Home / 5,176,807.20-7,144,063.92-2,884,889.52

Finding the Fourth Proportional to 5,176,807.20, 7,144,063.92 and 2,884,889.52

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Solution

The fourth proportional to 5,176,807.20, 7,144,063.92 and 2,884,889.52 is: 3,981,186.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,807.20 : 7,144,063.92 = 2,884,889.52 : x
  2. Step 2: Convert to fraction form
    5,176,807.20/7,144,063.92 = 2,884,889.52/x
  3. Step 3: Cross multiply
    5,176,807.20x = 7,144,063.92 × 2,884,889.52
  4. Step 4: Simplify right side
    5,176,807.20x = 20,609,835,133,018.12
  5. Step 5: Solve for x
    x = 20,609,835,133,018.12/5,176,807.20
  6. Step 6: Final answer
    x = 3,981,186.54

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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.