Home / 2,310,915.39-3,189,003.80-1,278,462.03

Finding the Fourth Proportional to 2,310,915.39, 3,189,003.80 and 1,278,462.03

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Solution

The fourth proportional to 2,310,915.39, 3,189,003.80 and 1,278,462.03 is: 1,764,244.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310,915.39 : 3,189,003.80 = 1,278,462.03 : x
  2. Step 2: Convert to fraction form
    2,310,915.39/3,189,003.80 = 1,278,462.03/x
  3. Step 3: Cross multiply
    2,310,915.39x = 3,189,003.80 × 1,278,462.03
  4. Step 4: Simplify right side
    2,310,915.39x = 4,077,020,265,433.40
  5. Step 5: Solve for x
    x = 4,077,020,265,433.40/2,310,915.39
  6. Step 6: Final answer
    x = 1,764,244.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.