Home / 2,553,037.20-3,523,212.78-1,407,120.48

Finding the Fourth Proportional to 2,553,037.20, 3,523,212.78 and 1,407,120.48

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Solution

The fourth proportional to 2,553,037.20, 3,523,212.78 and 1,407,120.48 is: 1,941,838.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553,037.20 : 3,523,212.78 = 1,407,120.48 : x
  2. Step 2: Convert to fraction form
    2,553,037.20/3,523,212.78 = 1,407,120.48/x
  3. Step 3: Cross multiply
    2,553,037.20x = 3,523,212.78 × 1,407,120.48
  4. Step 4: Simplify right side
    2,553,037.20x = 4,957,584,858,135.73
  5. Step 5: Solve for x
    x = 4,957,584,858,135.73/2,553,037.20
  6. Step 6: Final answer
    x = 1,941,838.08

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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.