Home / 1,940,863.90-2,912,170.65-929,595.10

Finding the Fourth Proportional to 1,940,863.90, 2,912,170.65 and 929,595.10

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Solution

The fourth proportional to 1,940,863.90, 2,912,170.65 and 929,595.10 is: 1,394,811.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,863.90 : 2,912,170.65 = 929,595.10 : x
  2. Step 2: Convert to fraction form
    1,940,863.90/2,912,170.65 = 929,595.10/x
  3. Step 3: Cross multiply
    1,940,863.90x = 2,912,170.65 × 929,595.10
  4. Step 4: Simplify right side
    1,940,863.90x = 2,707,139,566,603.82
  5. Step 5: Solve for x
    x = 2,707,139,566,603.82/1,940,863.90
  6. Step 6: Final answer
    x = 1,394,811.64

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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.