Home / 3,098,305.78-4,275,576.68-1,721,613.89

Finding the Fourth Proportional to 3,098,305.78, 4,275,576.68 and 1,721,613.89

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Solution

The fourth proportional to 3,098,305.78, 4,275,576.68 and 1,721,613.89 is: 2,375,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098,305.78 : 4,275,576.68 = 1,721,613.89 : x
  2. Step 2: Convert to fraction form
    3,098,305.78/4,275,576.68 = 1,721,613.89/x
  3. Step 3: Cross multiply
    3,098,305.78x = 4,275,576.68 × 1,721,613.89
  4. Step 4: Simplify right side
    3,098,305.78x = 7,360,892,170,062.13
  5. Step 5: Solve for x
    x = 7,360,892,170,062.13/3,098,305.78
  6. Step 6: Final answer
    x = 2,375,779.76

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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.