Home / 1,954,126.80-2,930,499-929,336.40

Finding the Fourth Proportional to 1,954,126.80, 2,930,499 and 929,336.40

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Solution

The fourth proportional to 1,954,126.80, 2,930,499 and 929,336.40 is: 1,393,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,126.80 : 2,930,499 = 929,336.40 : x
  2. Step 2: Convert to fraction form
    1,954,126.80/2,930,499 = 929,336.40/x
  3. Step 3: Cross multiply
    1,954,126.80x = 2,930,499 × 929,336.40
  4. Step 4: Simplify right side
    1,954,126.80x = 2,723,419,390,863.60
  5. Step 5: Solve for x
    x = 2,723,419,390,863.60/1,954,126.80
  6. Step 6: Final answer
    x = 1,393,675.88

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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.