Home / 1,350,661.03-2,027,417.55-1,320,164.68

Finding the Fourth Proportional to 1,350,661.03, 2,027,417.55 and 1,320,164.68

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Solution

The fourth proportional to 1,350,661.03, 2,027,417.55 and 1,320,164.68 is: 1,981,640.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,661.03 : 2,027,417.55 = 1,320,164.68 : x
  2. Step 2: Convert to fraction form
    1,350,661.03/2,027,417.55 = 1,320,164.68/x
  3. Step 3: Cross multiply
    1,350,661.03x = 2,027,417.55 × 1,320,164.68
  4. Step 4: Simplify right side
    1,350,661.03x = 2,676,525,041,122.13
  5. Step 5: Solve for x
    x = 2,676,525,041,122.13/1,350,661.03
  6. Step 6: Final answer
    x = 1,981,640.83

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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.