Home / 3,909,818.88-5,395,462.38-2,278,124.64

Finding the Fourth Proportional to 3,909,818.88, 5,395,462.38 and 2,278,124.64

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Solution

The fourth proportional to 3,909,818.88, 5,395,462.38 and 2,278,124.64 is: 3,143,760.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909,818.88 : 5,395,462.38 = 2,278,124.64 : x
  2. Step 2: Convert to fraction form
    3,909,818.88/5,395,462.38 = 2,278,124.64/x
  3. Step 3: Cross multiply
    3,909,818.88x = 5,395,462.38 × 2,278,124.64
  4. Step 4: Simplify right side
    3,909,818.88x = 12,291,535,792,071.04
  5. Step 5: Solve for x
    x = 12,291,535,792,071.04/3,909,818.88
  6. Step 6: Final answer
    x = 3,143,760.92

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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.