Home / 1,940,867.40-2,912,175.90-929,598.60

Finding the Fourth Proportional to 1,940,867.40, 2,912,175.90 and 929,598.60

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Solution

The fourth proportional to 1,940,867.40, 2,912,175.90 and 929,598.60 is: 1,394,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,867.40 : 2,912,175.90 = 929,598.60 : x
  2. Step 2: Convert to fraction form
    1,940,867.40/2,912,175.90 = 929,598.60/x
  3. Step 3: Cross multiply
    1,940,867.40x = 2,912,175.90 × 929,598.60
  4. Step 4: Simplify right side
    1,940,867.40x = 2,707,154,639,593.74
  5. Step 5: Solve for x
    x = 2,707,154,639,593.74/1,940,867.40
  6. Step 6: Final answer
    x = 1,394,816.89

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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.