Home / 3,958,228.11-5,462,869.31-2,216,560.64

Finding the Fourth Proportional to 3,958,228.11, 5,462,869.31 and 2,216,560.64

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Solution

The fourth proportional to 3,958,228.11, 5,462,869.31 and 2,216,560.64 is: 3,059,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958,228.11 : 5,462,869.31 = 2,216,560.64 : x
  2. Step 2: Convert to fraction form
    3,958,228.11/5,462,869.31 = 2,216,560.64/x
  3. Step 3: Cross multiply
    3,958,228.11x = 5,462,869.31 × 2,216,560.64
  4. Step 4: Simplify right side
    3,958,228.11x = 12,108,781,055,612.81
  5. Step 5: Solve for x
    x = 12,108,781,055,612.81/3,958,228.11
  6. Step 6: Final answer
    x = 3,059,141.80

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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.