Home / 2,230,747.71-3,078,451.20-1,212,152.46

Finding the Fourth Proportional to 2,230,747.71, 3,078,451.20 and 1,212,152.46

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Solution

The fourth proportional to 2,230,747.71, 3,078,451.20 and 1,212,152.46 is: 1,672,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,747.71 : 3,078,451.20 = 1,212,152.46 : x
  2. Step 2: Convert to fraction form
    2,230,747.71/3,078,451.20 = 1,212,152.46/x
  3. Step 3: Cross multiply
    2,230,747.71x = 3,078,451.20 × 1,212,152.46
  4. Step 4: Simplify right side
    2,230,747.71x = 3,731,552,195,069.95
  5. Step 5: Solve for x
    x = 3,731,552,195,069.95/2,230,747.71
  6. Step 6: Final answer
    x = 1,672,780.91

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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.