Home / 5,165,982.38-7,129,088.21-2,842,810.65

Finding the Fourth Proportional to 5,165,982.38, 7,129,088.21 and 2,842,810.65

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Solution

The fourth proportional to 5,165,982.38, 7,129,088.21 and 2,842,810.65 is: 3,923,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165,982.38 : 7,129,088.21 = 2,842,810.65 : x
  2. Step 2: Convert to fraction form
    5,165,982.38/7,129,088.21 = 2,842,810.65/x
  3. Step 3: Cross multiply
    5,165,982.38x = 7,129,088.21 × 2,842,810.65
  4. Step 4: Simplify right side
    5,165,982.38x = 20,266,647,895,284.46
  5. Step 5: Solve for x
    x = 20,266,647,895,284.46/5,165,982.38
  6. Step 6: Final answer
    x = 3,923,096.60

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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.