Home / 2,680,502.20-4,015,310.10-1,666,511.80

Finding the Fourth Proportional to 2,680,502.20, 4,015,310.10 and 1,666,511.80

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Solution

The fourth proportional to 2,680,502.20, 4,015,310.10 and 1,666,511.80 is: 2,496,383.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,502.20 : 4,015,310.10 = 1,666,511.80 : x
  2. Step 2: Convert to fraction form
    2,680,502.20/4,015,310.10 = 1,666,511.80/x
  3. Step 3: Cross multiply
    2,680,502.20x = 4,015,310.10 × 1,666,511.80
  4. Step 4: Simplify right side
    2,680,502.20x = 6,691,561,662,309.18
  5. Step 5: Solve for x
    x = 6,691,561,662,309.18/2,680,502.20
  6. Step 6: Final answer
    x = 2,496,383.57

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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.