Home / 6,919,079.72-10,379,612-2,127,171.38

Finding the Fourth Proportional to 6,919,079.72, 10,379,612 and 2,127,171.38

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Solution

The fourth proportional to 6,919,079.72, 10,379,612 and 2,127,171.38 is: 3,191,062.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919,079.72 : 10,379,612 = 2,127,171.38 : x
  2. Step 2: Convert to fraction form
    6,919,079.72/10,379,612 = 2,127,171.38/x
  3. Step 3: Cross multiply
    6,919,079.72x = 10,379,612 × 2,127,171.38
  4. Step 4: Simplify right side
    6,919,079.72x = 22,079,213,581,904.56
  5. Step 5: Solve for x
    x = 22,079,213,581,904.56/6,919,079.72
  6. Step 6: Final answer
    x = 3,191,062.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.