Home / 1,921,150.40-2,651,115.84-1,105,480.04

Finding the Fourth Proportional to 1,921,150.40, 2,651,115.84 and 1,105,480.04

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Solution

The fourth proportional to 1,921,150.40, 2,651,115.84 and 1,105,480.04 is: 1,525,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,150.40 : 2,651,115.84 = 1,105,480.04 : x
  2. Step 2: Convert to fraction form
    1,921,150.40/2,651,115.84 = 1,105,480.04/x
  3. Step 3: Cross multiply
    1,921,150.40x = 2,651,115.84 × 1,105,480.04
  4. Step 4: Simplify right side
    1,921,150.40x = 2,930,755,644,847.83
  5. Step 5: Solve for x
    x = 2,930,755,644,847.83/1,921,150.40
  6. Step 6: Final answer
    x = 1,525,521.19

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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.