Home / 3,440,999.39-4,748,572.26-1,971,383.90

Finding the Fourth Proportional to 3,440,999.39, 4,748,572.26 and 1,971,383.90

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Solution

The fourth proportional to 3,440,999.39, 4,748,572.26 and 1,971,383.90 is: 2,720,505.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440,999.39 : 4,748,572.26 = 1,971,383.90 : x
  2. Step 2: Convert to fraction form
    3,440,999.39/4,748,572.26 = 1,971,383.90/x
  3. Step 3: Cross multiply
    3,440,999.39x = 4,748,572.26 × 1,971,383.90
  4. Step 4: Simplify right side
    3,440,999.39x = 9,361,258,877,607.75
  5. Step 5: Solve for x
    x = 9,361,258,877,607.75/3,440,999.39
  6. Step 6: Final answer
    x = 2,720,505.83

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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.