Home / 3,108,753.33-4,663,758.75-1,311,640.74

Finding the Fourth Proportional to 3,108,753.33, 4,663,758.75 and 1,311,640.74

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Solution

The fourth proportional to 3,108,753.33, 4,663,758.75 and 1,311,640.74 is: 1,967,726.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,753.33 : 4,663,758.75 = 1,311,640.74 : x
  2. Step 2: Convert to fraction form
    3,108,753.33/4,663,758.75 = 1,311,640.74/x
  3. Step 3: Cross multiply
    3,108,753.33x = 4,663,758.75 × 1,311,640.74
  4. Step 4: Simplify right side
    3,108,753.33x = 6,117,175,978,031.48
  5. Step 5: Solve for x
    x = 6,117,175,978,031.48/3,108,753.33
  6. Step 6: Final answer
    x = 1,967,726.39

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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.