Home / 1,801,761.36-2,486,430.87-985,965.21

Finding the Fourth Proportional to 1,801,761.36, 2,486,430.87 and 985,965.21

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Solution

The fourth proportional to 1,801,761.36, 2,486,430.87 and 985,965.21 is: 1,360,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801,761.36 : 2,486,430.87 = 985,965.21 : x
  2. Step 2: Convert to fraction form
    1,801,761.36/2,486,430.87 = 985,965.21/x
  3. Step 3: Cross multiply
    1,801,761.36x = 2,486,430.87 × 985,965.21
  4. Step 4: Simplify right side
    1,801,761.36x = 2,451,534,334,890.03
  5. Step 5: Solve for x
    x = 2,451,534,334,890.03/1,801,761.36
  6. Step 6: Final answer
    x = 1,360,632.10

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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.