Home / 3,612,815.61-4,985,754.07-1,981,125.69

Finding the Fourth Proportional to 3,612,815.61, 4,985,754.07 and 1,981,125.69

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Solution

The fourth proportional to 3,612,815.61, 4,985,754.07 and 1,981,125.69 is: 2,733,991.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,815.61 : 4,985,754.07 = 1,981,125.69 : x
  2. Step 2: Convert to fraction form
    3,612,815.61/4,985,754.07 = 1,981,125.69/x
  3. Step 3: Cross multiply
    3,612,815.61x = 4,985,754.07 × 1,981,125.69
  4. Step 4: Simplify right side
    3,612,815.61x = 9,877,405,480,209.15
  5. Step 5: Solve for x
    x = 9,877,405,480,209.15/3,612,815.61
  6. Step 6: Final answer
    x = 2,733,991.03

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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.