Home / 4,221,939.78-5,826,253.86-2,288,179.80

Finding the Fourth Proportional to 4,221,939.78, 5,826,253.86 and 2,288,179.80

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Solution

The fourth proportional to 4,221,939.78, 5,826,253.86 and 2,288,179.80 is: 3,157,675.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221,939.78 : 5,826,253.86 = 2,288,179.80 : x
  2. Step 2: Convert to fraction form
    4,221,939.78/5,826,253.86 = 2,288,179.80/x
  3. Step 3: Cross multiply
    4,221,939.78x = 5,826,253.86 × 2,288,179.80
  4. Step 4: Simplify right side
    4,221,939.78x = 13,331,516,392,124.03
  5. Step 5: Solve for x
    x = 13,331,516,392,124.03/4,221,939.78
  6. Step 6: Final answer
    x = 3,157,675.64

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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.