Home / 3,189,255.12-4,401,676.80-1,900,842.84

Finding the Fourth Proportional to 3,189,255.12, 4,401,676.80 and 1,900,842.84

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Solution

The fourth proportional to 3,189,255.12, 4,401,676.80 and 1,900,842.84 is: 2,623,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,255.12 : 4,401,676.80 = 1,900,842.84 : x
  2. Step 2: Convert to fraction form
    3,189,255.12/4,401,676.80 = 1,900,842.84/x
  3. Step 3: Cross multiply
    3,189,255.12x = 4,401,676.80 × 1,900,842.84
  4. Step 4: Simplify right side
    3,189,255.12x = 8,366,895,829,274.11
  5. Step 5: Solve for x
    x = 8,366,895,829,274.11/3,189,255.12
  6. Step 6: Final answer
    x = 2,623,463.95

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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.