Home / 2,190,954.40-3,286,431.60-771,229.60

Finding the Fourth Proportional to 2,190,954.40, 3,286,431.60 and 771,229.60

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Solution

The fourth proportional to 2,190,954.40, 3,286,431.60 and 771,229.60 is: 1,156,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,954.40 : 3,286,431.60 = 771,229.60 : x
  2. Step 2: Convert to fraction form
    2,190,954.40/3,286,431.60 = 771,229.60/x
  3. Step 3: Cross multiply
    2,190,954.40x = 3,286,431.60 × 771,229.60
  4. Step 4: Simplify right side
    2,190,954.40x = 2,534,593,328,295.36
  5. Step 5: Solve for x
    x = 2,534,593,328,295.36/2,190,954.40
  6. Step 6: Final answer
    x = 1,156,844.40

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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.