Home / 2,647,984.60-3,972,495.30-1,131,664.60

Finding the Fourth Proportional to 2,647,984.60, 3,972,495.30 and 1,131,664.60

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Solution

The fourth proportional to 2,647,984.60, 3,972,495.30 and 1,131,664.60 is: 1,697,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647,984.60 : 3,972,495.30 = 1,131,664.60 : x
  2. Step 2: Convert to fraction form
    2,647,984.60/3,972,495.30 = 1,131,664.60/x
  3. Step 3: Cross multiply
    2,647,984.60x = 3,972,495.30 × 1,131,664.60
  4. Step 4: Simplify right side
    2,647,984.60x = 4,495,532,304,676.38
  5. Step 5: Solve for x
    x = 4,495,532,304,676.38/2,647,984.60
  6. Step 6: Final answer
    x = 1,697,718.45

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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.