Home / 3,219,517.14-4,441,964.78-1,929,886.98

Finding the Fourth Proportional to 3,219,517.14, 4,441,964.78 and 1,929,886.98

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Solution

The fourth proportional to 3,219,517.14, 4,441,964.78 and 1,929,886.98 is: 2,662,663.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,517.14 : 4,441,964.78 = 1,929,886.98 : x
  2. Step 2: Convert to fraction form
    3,219,517.14/4,441,964.78 = 1,929,886.98/x
  3. Step 3: Cross multiply
    3,219,517.14x = 4,441,964.78 × 1,929,886.98
  4. Step 4: Simplify right side
    3,219,517.14x = 8,572,489,994,540.57
  5. Step 5: Solve for x
    x = 8,572,489,994,540.57/3,219,517.14
  6. Step 6: Final answer
    x = 2,662,663.26

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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.