Home / 2,208,658.20-3,312,987.30-788,760.60

Finding the Fourth Proportional to 2,208,658.20, 3,312,987.30 and 788,760.60

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Solution

The fourth proportional to 2,208,658.20, 3,312,987.30 and 788,760.60 is: 1,183,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,658.20 : 3,312,987.30 = 788,760.60 : x
  2. Step 2: Convert to fraction form
    2,208,658.20/3,312,987.30 = 788,760.60/x
  3. Step 3: Cross multiply
    2,208,658.20x = 3,312,987.30 × 788,760.60
  4. Step 4: Simplify right side
    2,208,658.20x = 2,613,153,850,540.38
  5. Step 5: Solve for x
    x = 2,613,153,850,540.38/2,208,658.20
  6. Step 6: Final answer
    x = 1,183,140.90

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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.