Home / 1,829,170.05-2,520,190.03-1,207,872.06

Finding the Fourth Proportional to 1,829,170.05, 2,520,190.03 and 1,207,872.06

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Solution

The fourth proportional to 1,829,170.05, 2,520,190.03 and 1,207,872.06 is: 1,664,179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829,170.05 : 2,520,190.03 = 1,207,872.06 : x
  2. Step 2: Convert to fraction form
    1,829,170.05/2,520,190.03 = 1,207,872.06/x
  3. Step 3: Cross multiply
    1,829,170.05x = 2,520,190.03 × 1,207,872.06
  4. Step 4: Simplify right side
    1,829,170.05x = 3,044,067,123,127.56
  5. Step 5: Solve for x
    x = 3,044,067,123,127.56/1,829,170.05
  6. Step 6: Final answer
    x = 1,664,179.40

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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.