Home / 3,939,534.11-5,439,087.24-2,471,455.40

Finding the Fourth Proportional to 3,939,534.11, 5,439,087.24 and 2,471,455.40

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Solution

The fourth proportional to 3,939,534.11, 5,439,087.24 and 2,471,455.40 is: 3,412,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,534.11 : 5,439,087.24 = 2,471,455.40 : x
  2. Step 2: Convert to fraction form
    3,939,534.11/5,439,087.24 = 2,471,455.40/x
  3. Step 3: Cross multiply
    3,939,534.11x = 5,439,087.24 × 2,471,455.40
  4. Step 4: Simplify right side
    3,939,534.11x = 13,442,461,530,369.10
  5. Step 5: Solve for x
    x = 13,442,461,530,369.10/3,939,534.11
  6. Step 6: Final answer
    x = 3,412,195.75

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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.