Home / 2,519,145.30-3,777,985.89-981,798.57

Finding the Fourth Proportional to 2,519,145.30, 3,777,985.89 and 981,798.57

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Solution

The fourth proportional to 2,519,145.30, 3,777,985.89 and 981,798.57 is: 1,472,412.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,145.30 : 3,777,985.89 = 981,798.57 : x
  2. Step 2: Convert to fraction form
    2,519,145.30/3,777,985.89 = 981,798.57/x
  3. Step 3: Cross multiply
    2,519,145.30x = 3,777,985.89 × 981,798.57
  4. Step 4: Simplify right side
    2,519,145.30x = 3,709,221,122,937.75
  5. Step 5: Solve for x
    x = 3,709,221,122,937.75/2,519,145.30
  6. Step 6: Final answer
    x = 1,472,412.54

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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.