Home / 5,310,559.40-7,965,839.10-1,946,078.60

Finding the Fourth Proportional to 5,310,559.40, 7,965,839.10 and 1,946,078.60

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Solution

The fourth proportional to 5,310,559.40, 7,965,839.10 and 1,946,078.60 is: 2,919,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310,559.40 : 7,965,839.10 = 1,946,078.60 : x
  2. Step 2: Convert to fraction form
    5,310,559.40/7,965,839.10 = 1,946,078.60/x
  3. Step 3: Cross multiply
    5,310,559.40x = 7,965,839.10 × 1,946,078.60
  4. Step 4: Simplify right side
    5,310,559.40x = 15,502,149,003,553.26
  5. Step 5: Solve for x
    x = 15,502,149,003,553.26/5,310,559.40
  6. Step 6: Final answer
    x = 2,919,117.90

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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.