Home / 3,085,771.56-4,629,391.20-1,287,655.80

Finding the Fourth Proportional to 3,085,771.56, 4,629,391.20 and 1,287,655.80

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Solution

The fourth proportional to 3,085,771.56, 4,629,391.20 and 1,287,655.80 is: 1,931,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085,771.56 : 4,629,391.20 = 1,287,655.80 : x
  2. Step 2: Convert to fraction form
    3,085,771.56/4,629,391.20 = 1,287,655.80/x
  3. Step 3: Cross multiply
    3,085,771.56x = 4,629,391.20 × 1,287,655.80
  4. Step 4: Simplify right side
    3,085,771.56x = 5,961,062,429,148.96
  5. Step 5: Solve for x
    x = 5,961,062,429,148.96/3,085,771.56
  6. Step 6: Final answer
    x = 1,931,789.93

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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.