Home / 3,290,806.40-4,930,910.40-1,866,627.20

Finding the Fourth Proportional to 3,290,806.40, 4,930,910.40 and 1,866,627.20

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Solution

The fourth proportional to 3,290,806.40, 4,930,910.40 and 1,866,627.20 is: 2,796,934.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290,806.40 : 4,930,910.40 = 1,866,627.20 : x
  2. Step 2: Convert to fraction form
    3,290,806.40/4,930,910.40 = 1,866,627.20/x
  3. Step 3: Cross multiply
    3,290,806.40x = 4,930,910.40 × 1,866,627.20
  4. Step 4: Simplify right side
    3,290,806.40x = 9,204,171,473,402.88
  5. Step 5: Solve for x
    x = 9,204,171,473,402.88/3,290,806.40
  6. Step 6: Final answer
    x = 2,796,934.96

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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.