Home / 3,180,568.05-4,770,830.18-1,287,282.15

Finding the Fourth Proportional to 3,180,568.05, 4,770,830.18 and 1,287,282.15

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Solution

The fourth proportional to 3,180,568.05, 4,770,830.18 and 1,287,282.15 is: 1,930,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,568.05 : 4,770,830.18 = 1,287,282.15 : x
  2. Step 2: Convert to fraction form
    3,180,568.05/4,770,830.18 = 1,287,282.15/x
  3. Step 3: Cross multiply
    3,180,568.05x = 4,770,830.18 × 1,287,282.15
  4. Step 4: Simplify right side
    3,180,568.05x = 6,141,404,534,613.49
  5. Step 5: Solve for x
    x = 6,141,404,534,613.49/3,180,568.05
  6. Step 6: Final answer
    x = 1,930,914.36

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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.