Home / 1,944,186.30-2,919,778.65-1,412,307.90

Finding the Fourth Proportional to 1,944,186.30, 2,919,778.65 and 1,412,307.90

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Solution

The fourth proportional to 1,944,186.30, 2,919,778.65 and 1,412,307.90 is: 2,121,003.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944,186.30 : 2,919,778.65 = 1,412,307.90 : x
  2. Step 2: Convert to fraction form
    1,944,186.30/2,919,778.65 = 1,412,307.90/x
  3. Step 3: Cross multiply
    1,944,186.30x = 2,919,778.65 × 1,412,307.90
  4. Step 4: Simplify right side
    1,944,186.30x = 4,123,626,453,646.33
  5. Step 5: Solve for x
    x = 4,123,626,453,646.33/1,944,186.30
  6. Step 6: Final answer
    x = 2,121,003.76

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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.