Home / 3,180,568.18-4,770,830.37-1,287,282.28

Finding the Fourth Proportional to 3,180,568.18, 4,770,830.37 and 1,287,282.28

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Solution

The fourth proportional to 3,180,568.18, 4,770,830.37 and 1,287,282.28 is: 1,930,914.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,568.18 : 4,770,830.37 = 1,287,282.28 : x
  2. Step 2: Convert to fraction form
    3,180,568.18/4,770,830.37 = 1,287,282.28/x
  3. Step 3: Cross multiply
    3,180,568.18x = 4,770,830.37 × 1,287,282.28
  4. Step 4: Simplify right side
    3,180,568.18x = 6,141,405,372,332.69
  5. Step 5: Solve for x
    x = 6,141,405,372,332.69/3,180,568.18
  6. Step 6: Final answer
    x = 1,930,914.55

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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.