Home / 1,672,648.18-2,309,209.41-1,101,346.90

Finding the Fourth Proportional to 1,672,648.18, 2,309,209.41 and 1,101,346.90

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Solution

The fourth proportional to 1,672,648.18, 2,309,209.41 and 1,101,346.90 is: 1,520,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,648.18 : 2,309,209.41 = 1,101,346.90 : x
  2. Step 2: Convert to fraction form
    1,672,648.18/2,309,209.41 = 1,101,346.90/x
  3. Step 3: Cross multiply
    1,672,648.18x = 2,309,209.41 × 1,101,346.90
  4. Step 4: Simplify right side
    1,672,648.18x = 2,543,240,625,154.33
  5. Step 5: Solve for x
    x = 2,543,240,625,154.33/1,672,648.18
  6. Step 6: Final answer
    x = 1,520,487.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.