Home / 3,165,337.71-4,368,380.36-1,788,203.79

Finding the Fourth Proportional to 3,165,337.71, 4,368,380.36 and 1,788,203.79

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Solution

The fourth proportional to 3,165,337.71, 4,368,380.36 and 1,788,203.79 is: 2,467,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,337.71 : 4,368,380.36 = 1,788,203.79 : x
  2. Step 2: Convert to fraction form
    3,165,337.71/4,368,380.36 = 1,788,203.79/x
  3. Step 3: Cross multiply
    3,165,337.71x = 4,368,380.36 × 1,788,203.79
  4. Step 4: Simplify right side
    3,165,337.71x = 7,811,554,306,972.55
  5. Step 5: Solve for x
    x = 7,811,554,306,972.55/3,165,337.71
  6. Step 6: Final answer
    x = 2,467,842.30

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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.