Home / 3,121,024.80-4,681,537.20-876,871.20

Finding the Fourth Proportional to 3,121,024.80, 4,681,537.20 and 876,871.20

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Solution

The fourth proportional to 3,121,024.80, 4,681,537.20 and 876,871.20 is: 1,315,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,024.80 : 4,681,537.20 = 876,871.20 : x
  2. Step 2: Convert to fraction form
    3,121,024.80/4,681,537.20 = 876,871.20/x
  3. Step 3: Cross multiply
    3,121,024.80x = 4,681,537.20 × 876,871.20
  4. Step 4: Simplify right side
    3,121,024.80x = 4,105,105,142,408.64
  5. Step 5: Solve for x
    x = 4,105,105,142,408.64/3,121,024.80
  6. Step 6: Final answer
    x = 1,315,306.80

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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.