Home / 2,921,836.47-4,382,754.74-791,920.58

Finding the Fourth Proportional to 2,921,836.47, 4,382,754.74 and 791,920.58

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Solution

The fourth proportional to 2,921,836.47, 4,382,754.74 and 791,920.58 is: 1,187,880.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,836.47 : 4,382,754.74 = 791,920.58 : x
  2. Step 2: Convert to fraction form
    2,921,836.47/4,382,754.74 = 791,920.58/x
  3. Step 3: Cross multiply
    2,921,836.47x = 4,382,754.74 × 791,920.58
  4. Step 4: Simplify right side
    2,921,836.47x = 3,470,793,675,698.55
  5. Step 5: Solve for x
    x = 3,470,793,675,698.55/2,921,836.47
  6. Step 6: Final answer
    x = 1,187,880.88

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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.