Home / 5,148,638.20-7,103,098.04-2,942,317.36

Finding the Fourth Proportional to 5,148,638.20, 7,103,098.04 and 2,942,317.36

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Solution

The fourth proportional to 5,148,638.20, 7,103,098.04 and 2,942,317.36 is: 4,059,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,638.20 : 7,103,098.04 = 2,942,317.36 : x
  2. Step 2: Convert to fraction form
    5,148,638.20/7,103,098.04 = 2,942,317.36/x
  3. Step 3: Cross multiply
    5,148,638.20x = 7,103,098.04 × 2,942,317.36
  4. Step 4: Simplify right side
    5,148,638.20x = 20,899,568,654,670.56
  5. Step 5: Solve for x
    x = 20,899,568,654,670.56/5,148,638.20
  6. Step 6: Final answer
    x = 4,059,242.05

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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.