Home / 3,215,455.13-4,437,165.13-1,908,763.03

Finding the Fourth Proportional to 3,215,455.13, 4,437,165.13 and 1,908,763.03

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Solution

The fourth proportional to 3,215,455.13, 4,437,165.13 and 1,908,763.03 is: 2,633,996.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,455.13 : 4,437,165.13 = 1,908,763.03 : x
  2. Step 2: Convert to fraction form
    3,215,455.13/4,437,165.13 = 1,908,763.03/x
  3. Step 3: Cross multiply
    3,215,455.13x = 4,437,165.13 × 1,908,763.03
  4. Step 4: Simplify right side
    3,215,455.13x = 8,469,496,758,149.14
  5. Step 5: Solve for x
    x = 8,469,496,758,149.14/3,215,455.13
  6. Step 6: Final answer
    x = 2,633,996.25

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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.