Home / 1,469,313.80-2,201,637.90-1,091,400.20

Finding the Fourth Proportional to 1,469,313.80, 2,201,637.90 and 1,091,400.20

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Solution

The fourth proportional to 1,469,313.80, 2,201,637.90 and 1,091,400.20 is: 1,635,367.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,313.80 : 2,201,637.90 = 1,091,400.20 : x
  2. Step 2: Convert to fraction form
    1,469,313.80/2,201,637.90 = 1,091,400.20/x
  3. Step 3: Cross multiply
    1,469,313.80x = 2,201,637.90 × 1,091,400.20
  4. Step 4: Simplify right side
    1,469,313.80x = 2,402,868,044,387.58
  5. Step 5: Solve for x
    x = 2,402,868,044,387.58/1,469,313.80
  6. Step 6: Final answer
    x = 1,635,367.51

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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.