Home / 3,306,301.20-4,955,515.20-1,387,208.70

Finding the Fourth Proportional to 3,306,301.20, 4,955,515.20 and 1,387,208.70

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Solution

The fourth proportional to 3,306,301.20, 4,955,515.20 and 1,387,208.70 is: 2,079,161.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306,301.20 : 4,955,515.20 = 1,387,208.70 : x
  2. Step 2: Convert to fraction form
    3,306,301.20/4,955,515.20 = 1,387,208.70/x
  3. Step 3: Cross multiply
    3,306,301.20x = 4,955,515.20 × 1,387,208.70
  4. Step 4: Simplify right side
    3,306,301.20x = 6,874,333,798,422.24
  5. Step 5: Solve for x
    x = 6,874,333,798,422.24/3,306,301.20
  6. Step 6: Final answer
    x = 2,079,161.39

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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.