Home / 3,959,619.20-5,464,274.49-2,148,783.20

Finding the Fourth Proportional to 3,959,619.20, 5,464,274.49 and 2,148,783.20

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Solution

The fourth proportional to 3,959,619.20, 5,464,274.49 and 2,148,783.20 is: 2,965,320.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,619.20 : 5,464,274.49 = 2,148,783.20 : x
  2. Step 2: Convert to fraction form
    3,959,619.20/5,464,274.49 = 2,148,783.20/x
  3. Step 3: Cross multiply
    3,959,619.20x = 5,464,274.49 × 2,148,783.20
  4. Step 4: Simplify right side
    3,959,619.20x = 11,741,541,224,300.57
  5. Step 5: Solve for x
    x = 11,741,541,224,300.57/3,959,619.20
  6. Step 6: Final answer
    x = 2,965,320.81

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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.