Home / 3,959,464.78-5,464,061.40-2,148,628.78

Finding the Fourth Proportional to 3,959,464.78, 5,464,061.40 and 2,148,628.78

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Solution

The fourth proportional to 3,959,464.78, 5,464,061.40 and 2,148,628.78 is: 2,965,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,464.78 : 5,464,061.40 = 2,148,628.78 : x
  2. Step 2: Convert to fraction form
    3,959,464.78/5,464,061.40 = 2,148,628.78/x
  3. Step 3: Cross multiply
    3,959,464.78x = 5,464,061.40 × 2,148,628.78
  4. Step 4: Simplify right side
    3,959,464.78x = 11,740,239,582,528.49
  5. Step 5: Solve for x
    x = 11,740,239,582,528.49/3,959,464.78
  6. Step 6: Final answer
    x = 2,965,107.72

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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.