Home / 1,940,874.90-2,912,187.15-929,606.10

Finding the Fourth Proportional to 1,940,874.90, 2,912,187.15 and 929,606.10

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Solution

The fourth proportional to 1,940,874.90, 2,912,187.15 and 929,606.10 is: 1,394,828.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,874.90 : 2,912,187.15 = 929,606.10 : x
  2. Step 2: Convert to fraction form
    1,940,874.90/2,912,187.15 = 929,606.10/x
  3. Step 3: Cross multiply
    1,940,874.90x = 2,912,187.15 × 929,606.10
  4. Step 4: Simplify right side
    1,940,874.90x = 2,707,186,938,981.61
  5. Step 5: Solve for x
    x = 2,707,186,938,981.61/1,940,874.90
  6. Step 6: Final answer
    x = 1,394,828.15

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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.