Home / 3,219,517.11-4,441,964.76-1,929,886.95

Finding the Fourth Proportional to 3,219,517.11, 4,441,964.76 and 1,929,886.95

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Solution

The fourth proportional to 3,219,517.11, 4,441,964.76 and 1,929,886.95 is: 2,662,663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,517.11 : 4,441,964.76 = 1,929,886.95 : x
  2. Step 2: Convert to fraction form
    3,219,517.11/4,441,964.76 = 1,929,886.95/x
  3. Step 3: Cross multiply
    3,219,517.11x = 4,441,964.76 × 1,929,886.95
  4. Step 4: Simplify right side
    3,219,517.11x = 8,572,489,822,683.88
  5. Step 5: Solve for x
    x = 8,572,489,822,683.88/3,219,517.11
  6. Step 6: Final answer
    x = 2,662,663.23

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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.