Home / 1,675,105.80-2,512,658.70-1,489,101.45

Finding the Fourth Proportional to 1,675,105.80, 2,512,658.70 and 1,489,101.45

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Solution

The fourth proportional to 1,675,105.80, 2,512,658.70 and 1,489,101.45 is: 2,233,652.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,105.80 : 2,512,658.70 = 1,489,101.45 : x
  2. Step 2: Convert to fraction form
    1,675,105.80/2,512,658.70 = 1,489,101.45/x
  3. Step 3: Cross multiply
    1,675,105.80x = 2,512,658.70 × 1,489,101.45
  4. Step 4: Simplify right side
    1,675,105.80x = 3,741,603,713,525.12
  5. Step 5: Solve for x
    x = 3,741,603,713,525.12/1,675,105.80
  6. Step 6: Final answer
    x = 2,233,652.18

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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.