Home / 5,195,817.57-7,170,002.72-2,840,972.13

Finding the Fourth Proportional to 5,195,817.57, 7,170,002.72 and 2,840,972.13

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Solution

The fourth proportional to 5,195,817.57, 7,170,002.72 and 2,840,972.13 is: 3,920,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195,817.57 : 7,170,002.72 = 2,840,972.13 : x
  2. Step 2: Convert to fraction form
    5,195,817.57/7,170,002.72 = 2,840,972.13/x
  3. Step 3: Cross multiply
    5,195,817.57x = 7,170,002.72 × 2,840,972.13
  4. Step 4: Simplify right side
    5,195,817.57x = 20,369,777,885,339.33
  5. Step 5: Solve for x
    x = 20,369,777,885,339.33/5,195,817.57
  6. Step 6: Final answer
    x = 3,920,418.22

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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.