Home / 2,829,781-4,242,003.18-1,408,493.44

Finding the Fourth Proportional to 2,829,781, 4,242,003.18 and 1,408,493.44

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Solution

The fourth proportional to 2,829,781, 4,242,003.18 and 1,408,493.44 is: 2,111,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829,781 : 4,242,003.18 = 1,408,493.44 : x
  2. Step 2: Convert to fraction form
    2,829,781/4,242,003.18 = 1,408,493.44/x
  3. Step 3: Cross multiply
    2,829,781x = 4,242,003.18 × 1,408,493.44
  4. Step 4: Simplify right side
    2,829,781x = 5,974,833,651,489.14
  5. Step 5: Solve for x
    x = 5,974,833,651,489.14/2,829,781
  6. Step 6: Final answer
    x = 2,111,412.03

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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.