Home / 3,721,836-5,133,684.24-2,687,621.52

Finding the Fourth Proportional to 3,721,836, 5,133,684.24 and 2,687,621.52

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Solution

The fourth proportional to 3,721,836, 5,133,684.24 and 2,687,621.52 is: 3,707,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721,836 : 5,133,684.24 = 2,687,621.52 : x
  2. Step 2: Convert to fraction form
    3,721,836/5,133,684.24 = 2,687,621.52/x
  3. Step 3: Cross multiply
    3,721,836x = 5,133,684.24 × 2,687,621.52
  4. Step 4: Simplify right side
    3,721,836x = 13,797,400,240,308.85
  5. Step 5: Solve for x
    x = 13,797,400,240,308.85/3,721,836
  6. Step 6: Final answer
    x = 3,707,148.90

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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.