Home / 2,515,118.85-3,470,853.78-1,412,397

Finding the Fourth Proportional to 2,515,118.85, 3,470,853.78 and 1,412,397

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Solution

The fourth proportional to 2,515,118.85, 3,470,853.78 and 1,412,397 is: 1,949,102.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515,118.85 : 3,470,853.78 = 1,412,397 : x
  2. Step 2: Convert to fraction form
    2,515,118.85/3,470,853.78 = 1,412,397/x
  3. Step 3: Cross multiply
    2,515,118.85x = 3,470,853.78 × 1,412,397
  4. Step 4: Simplify right side
    2,515,118.85x = 4,902,223,466,310.66
  5. Step 5: Solve for x
    x = 4,902,223,466,310.66/2,515,118.85
  6. Step 6: Final answer
    x = 1,949,102.11

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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.