Home / 1,940,859.90-2,912,164.65-929,591.10

Finding the Fourth Proportional to 1,940,859.90, 2,912,164.65 and 929,591.10

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Solution

The fourth proportional to 1,940,859.90, 2,912,164.65 and 929,591.10 is: 1,394,805.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,859.90 : 2,912,164.65 = 929,591.10 : x
  2. Step 2: Convert to fraction form
    1,940,859.90/2,912,164.65 = 929,591.10/x
  3. Step 3: Cross multiply
    1,940,859.90x = 2,912,164.65 × 929,591.10
  4. Step 4: Simplify right side
    1,940,859.90x = 2,707,122,340,374.61
  5. Step 5: Solve for x
    x = 2,707,122,340,374.61/1,940,859.90
  6. Step 6: Final answer
    x = 1,394,805.64

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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.