Home / 2,419,434.12-3,629,160.68-980,144.71

Finding the Fourth Proportional to 2,419,434.12, 3,629,160.68 and 980,144.71

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Solution

The fourth proportional to 2,419,434.12, 3,629,160.68 and 980,144.71 is: 1,470,220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419,434.12 : 3,629,160.68 = 980,144.71 : x
  2. Step 2: Convert to fraction form
    2,419,434.12/3,629,160.68 = 980,144.71/x
  3. Step 3: Cross multiply
    2,419,434.12x = 3,629,160.68 × 980,144.71
  4. Step 4: Simplify right side
    2,419,434.12x = 3,557,102,642,242.00
  5. Step 5: Solve for x
    x = 3,557,102,642,242.00/2,419,434.12
  6. Step 6: Final answer
    x = 1,470,220.91

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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.