Home / 2,650,857.40-3,973,661.70-1,301,915.80

Finding the Fourth Proportional to 2,650,857.40, 3,973,661.70 and 1,301,915.80

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Solution

The fourth proportional to 2,650,857.40, 3,973,661.70 and 1,301,915.80 is: 1,951,584.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650,857.40 : 3,973,661.70 = 1,301,915.80 : x
  2. Step 2: Convert to fraction form
    2,650,857.40/3,973,661.70 = 1,301,915.80/x
  3. Step 3: Cross multiply
    2,650,857.40x = 3,973,661.70 × 1,301,915.80
  4. Step 4: Simplify right side
    2,650,857.40x = 5,173,372,951,084.86
  5. Step 5: Solve for x
    x = 5,173,372,951,084.86/2,650,857.40
  6. Step 6: Final answer
    x = 1,951,584.78

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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.