Home / 5,079,689.62-7,010,127.63-2,986,148.13

Finding the Fourth Proportional to 5,079,689.62, 7,010,127.63 and 2,986,148.13

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Solution

The fourth proportional to 5,079,689.62, 7,010,127.63 and 2,986,148.13 is: 4,120,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079,689.62 : 7,010,127.63 = 2,986,148.13 : x
  2. Step 2: Convert to fraction form
    5,079,689.62/7,010,127.63 = 2,986,148.13/x
  3. Step 3: Cross multiply
    5,079,689.62x = 7,010,127.63 × 2,986,148.13
  4. Step 4: Simplify right side
    5,079,689.62x = 20,933,279,499,786.16
  5. Step 5: Solve for x
    x = 20,933,279,499,786.16/5,079,689.62
  6. Step 6: Final answer
    x = 4,120,976.09

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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.