Home / 2,185,861.90-3,277,808.70-987,167.20

Finding the Fourth Proportional to 2,185,861.90, 3,277,808.70 and 987,167.20

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Solution

The fourth proportional to 2,185,861.90, 3,277,808.70 and 987,167.20 is: 1,480,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,861.90 : 3,277,808.70 = 987,167.20 : x
  2. Step 2: Convert to fraction form
    2,185,861.90/3,277,808.70 = 987,167.20/x
  3. Step 3: Cross multiply
    2,185,861.90x = 3,277,808.70 × 987,167.20
  4. Step 4: Simplify right side
    2,185,861.90x = 3,235,745,236,514.64
  5. Step 5: Solve for x
    x = 3,235,745,236,514.64/2,185,861.90
  6. Step 6: Final answer
    x = 1,480,306.34

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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.