Home / 1,781,819.80-2,669,100.90-1,105,826.20

Finding the Fourth Proportional to 1,781,819.80, 2,669,100.90 and 1,105,826.20

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Solution

The fourth proportional to 1,781,819.80, 2,669,100.90 and 1,105,826.20 is: 1,656,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,819.80 : 2,669,100.90 = 1,105,826.20 : x
  2. Step 2: Convert to fraction form
    1,781,819.80/2,669,100.90 = 1,105,826.20/x
  3. Step 3: Cross multiply
    1,781,819.80x = 2,669,100.90 × 1,105,826.20
  4. Step 4: Simplify right side
    1,781,819.80x = 2,951,561,705,663.58
  5. Step 5: Solve for x
    x = 2,951,561,705,663.58/1,781,819.80
  6. Step 6: Final answer
    x = 1,656,487.21

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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.