Home / 3,826,431.60-5,280,848.64-2,857,881.12

Finding the Fourth Proportional to 3,826,431.60, 5,280,848.64 and 2,857,881.12

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Solution

The fourth proportional to 3,826,431.60, 5,280,848.64 and 2,857,881.12 is: 3,944,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826,431.60 : 5,280,848.64 = 2,857,881.12 : x
  2. Step 2: Convert to fraction form
    3,826,431.60/5,280,848.64 = 2,857,881.12/x
  3. Step 3: Cross multiply
    3,826,431.60x = 5,280,848.64 × 2,857,881.12
  4. Step 4: Simplify right side
    3,826,431.60x = 15,092,037,625,833.68
  5. Step 5: Solve for x
    x = 15,092,037,625,833.68/3,826,431.60
  6. Step 6: Final answer
    x = 3,944,154.56

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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.