Home / 3,280,836.18-4,529,792.61-2,122,091.22

Finding the Fourth Proportional to 3,280,836.18, 4,529,792.61 and 2,122,091.22

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Solution

The fourth proportional to 3,280,836.18, 4,529,792.61 and 2,122,091.22 is: 2,929,933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,836.18 : 4,529,792.61 = 2,122,091.22 : x
  2. Step 2: Convert to fraction form
    3,280,836.18/4,529,792.61 = 2,122,091.22/x
  3. Step 3: Cross multiply
    3,280,836.18x = 4,529,792.61 × 2,122,091.22
  4. Step 4: Simplify right side
    3,280,836.18x = 9,612,633,126,101.89
  5. Step 5: Solve for x
    x = 9,612,633,126,101.89/3,280,836.18
  6. Step 6: Final answer
    x = 2,929,933.89

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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.