Home / 3,985,766.64-5,497,903.08-2,840,217.12

Finding the Fourth Proportional to 3,985,766.64, 5,497,903.08 and 2,840,217.12

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Solution

The fourth proportional to 3,985,766.64, 5,497,903.08 and 2,840,217.12 is: 3,917,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,766.64 : 5,497,903.08 = 2,840,217.12 : x
  2. Step 2: Convert to fraction form
    3,985,766.64/5,497,903.08 = 2,840,217.12/x
  3. Step 3: Cross multiply
    3,985,766.64x = 5,497,903.08 × 2,840,217.12
  4. Step 4: Simplify right side
    3,985,766.64x = 15,615,238,451,916.73
  5. Step 5: Solve for x
    x = 15,615,238,451,916.73/3,985,766.64
  6. Step 6: Final answer
    x = 3,917,750.30

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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.