Home / 5,214,162.47-7,195,293.48-2,891,149.38

Finding the Fourth Proportional to 5,214,162.47, 7,195,293.48 and 2,891,149.38

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Solution

The fourth proportional to 5,214,162.47, 7,195,293.48 and 2,891,149.38 is: 3,989,647.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214,162.47 : 7,195,293.48 = 2,891,149.38 : x
  2. Step 2: Convert to fraction form
    5,214,162.47/7,195,293.48 = 2,891,149.38/x
  3. Step 3: Cross multiply
    5,214,162.47x = 7,195,293.48 × 2,891,149.38
  4. Step 4: Simplify right side
    5,214,162.47x = 20,802,668,283,620.04
  5. Step 5: Solve for x
    x = 20,802,668,283,620.04/5,214,162.47
  6. Step 6: Final answer
    x = 3,989,647.12

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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.