Home / 3,690,485.40-5,538,060.90-2,174,165.40

Finding the Fourth Proportional to 3,690,485.40, 5,538,060.90 and 2,174,165.40

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Solution

The fourth proportional to 3,690,485.40, 5,538,060.90 and 2,174,165.40 is: 3,262,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,485.40 : 5,538,060.90 = 2,174,165.40 : x
  2. Step 2: Convert to fraction form
    3,690,485.40/5,538,060.90 = 2,174,165.40/x
  3. Step 3: Cross multiply
    3,690,485.40x = 5,538,060.90 × 2,174,165.40
  4. Step 4: Simplify right side
    3,690,485.40x = 12,040,660,391,872.86
  5. Step 5: Solve for x
    x = 12,040,660,391,872.86/3,690,485.40
  6. Step 6: Final answer
    x = 3,262,622.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.