Home / 3,987,369.28-5,500,931.34-2,957,411.17

Finding the Fourth Proportional to 3,987,369.28, 5,500,931.34 and 2,957,411.17

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Solution

The fourth proportional to 3,987,369.28, 5,500,931.34 and 2,957,411.17 is: 4,080,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,369.28 : 5,500,931.34 = 2,957,411.17 : x
  2. Step 2: Convert to fraction form
    3,987,369.28/5,500,931.34 = 2,957,411.17/x
  3. Step 3: Cross multiply
    3,987,369.28x = 5,500,931.34 × 2,957,411.17
  4. Step 4: Simplify right side
    3,987,369.28x = 16,268,515,790,319.07
  5. Step 5: Solve for x
    x = 16,268,515,790,319.07/3,987,369.28
  6. Step 6: Final answer
    x = 4,080,012.32

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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.