Home / 3,120,851.88-4,679,948.52-1,226,264.28

Finding the Fourth Proportional to 3,120,851.88, 4,679,948.52 and 1,226,264.28

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Solution

The fourth proportional to 3,120,851.88, 4,679,948.52 and 1,226,264.28 is: 1,838,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,851.88 : 4,679,948.52 = 1,226,264.28 : x
  2. Step 2: Convert to fraction form
    3,120,851.88/4,679,948.52 = 1,226,264.28/x
  3. Step 3: Cross multiply
    3,120,851.88x = 4,679,948.52 × 1,226,264.28
  4. Step 4: Simplify right side
    3,120,851.88x = 5,738,853,702,314.87
  5. Step 5: Solve for x
    x = 5,738,853,702,314.87/3,120,851.88
  6. Step 6: Final answer
    x = 1,838,874.10

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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.