Home / 2,921,835.47-4,382,753.24-791,919.58

Finding the Fourth Proportional to 2,921,835.47, 4,382,753.24 and 791,919.58

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Solution

The fourth proportional to 2,921,835.47, 4,382,753.24 and 791,919.58 is: 1,187,879.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,835.47 : 4,382,753.24 = 791,919.58 : x
  2. Step 2: Convert to fraction form
    2,921,835.47/4,382,753.24 = 791,919.58/x
  3. Step 3: Cross multiply
    2,921,835.47x = 4,382,753.24 × 791,919.58
  4. Step 4: Simplify right side
    2,921,835.47x = 3,470,788,111,063.29
  5. Step 5: Solve for x
    x = 3,470,788,111,063.29/2,921,835.47
  6. Step 6: Final answer
    x = 1,187,879.38

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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.