Home / 3,959,125.20-5,463,656.28-2,148,289.20

Finding the Fourth Proportional to 3,959,125.20, 5,463,656.28 and 2,148,289.20

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Solution

The fourth proportional to 3,959,125.20, 5,463,656.28 and 2,148,289.20 is: 2,964,673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,125.20 : 5,463,656.28 = 2,148,289.20 : x
  2. Step 2: Convert to fraction form
    3,959,125.20/5,463,656.28 = 2,148,289.20/x
  3. Step 3: Cross multiply
    3,959,125.20x = 5,463,656.28 × 2,148,289.20
  4. Step 4: Simplify right side
    3,959,125.20x = 11,737,513,778,836.18
  5. Step 5: Solve for x
    x = 11,737,513,778,836.18/3,959,125.20
  6. Step 6: Final answer
    x = 2,964,673.55

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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.