Home / 1,940,530.60-2,912,178.30-819,404.20

Finding the Fourth Proportional to 1,940,530.60, 2,912,178.30 and 819,404.20

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Solution

The fourth proportional to 1,940,530.60, 2,912,178.30 and 819,404.20 is: 1,229,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,530.60 : 2,912,178.30 = 819,404.20 : x
  2. Step 2: Convert to fraction form
    1,940,530.60/2,912,178.30 = 819,404.20/x
  3. Step 3: Cross multiply
    1,940,530.60x = 2,912,178.30 × 819,404.20
  4. Step 4: Simplify right side
    1,940,530.60x = 2,386,251,130,168.86
  5. Step 5: Solve for x
    x = 2,386,251,130,168.86/1,940,530.60
  6. Step 6: Final answer
    x = 1,229,690.03

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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.