Home / 3,261,170.40-4,892,013.02-865,015.74

Finding the Fourth Proportional to 3,261,170.40, 4,892,013.02 and 865,015.74

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Solution

The fourth proportional to 3,261,170.40, 4,892,013.02 and 865,015.74 is: 1,297,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261,170.40 : 4,892,013.02 = 865,015.74 : x
  2. Step 2: Convert to fraction form
    3,261,170.40/4,892,013.02 = 865,015.74/x
  3. Step 3: Cross multiply
    3,261,170.40x = 4,892,013.02 × 865,015.74
  4. Step 4: Simplify right side
    3,261,170.40x = 4,231,668,264,747.47
  5. Step 5: Solve for x
    x = 4,231,668,264,747.47/3,261,170.40
  6. Step 6: Final answer
    x = 1,297,591.89

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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.