Home / 1,930,746.60-2,897,502.30-809,620.20

Finding the Fourth Proportional to 1,930,746.60, 2,897,502.30 and 809,620.20

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Solution

The fourth proportional to 1,930,746.60, 2,897,502.30 and 809,620.20 is: 1,215,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,746.60 : 2,897,502.30 = 809,620.20 : x
  2. Step 2: Convert to fraction form
    1,930,746.60/2,897,502.30 = 809,620.20/x
  3. Step 3: Cross multiply
    1,930,746.60x = 2,897,502.30 × 809,620.20
  4. Step 4: Simplify right side
    1,930,746.60x = 2,345,876,391,626.46
  5. Step 5: Solve for x
    x = 2,345,876,391,626.46/1,930,746.60
  6. Step 6: Final answer
    x = 1,215,009.98

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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.