Home / 4,315,461.30-6,469,911.45-2,187,072.90

Finding the Fourth Proportional to 4,315,461.30, 6,469,911.45 and 2,187,072.90

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Solution

The fourth proportional to 4,315,461.30, 6,469,911.45 and 2,187,072.90 is: 3,278,946.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315,461.30 : 6,469,911.45 = 2,187,072.90 : x
  2. Step 2: Convert to fraction form
    4,315,461.30/6,469,911.45 = 2,187,072.90/x
  3. Step 3: Cross multiply
    4,315,461.30x = 6,469,911.45 × 2,187,072.90
  4. Step 4: Simplify right side
    4,315,461.30x = 14,150,167,997,694.71
  5. Step 5: Solve for x
    x = 14,150,167,997,694.71/4,315,461.30
  6. Step 6: Final answer
    x = 3,278,946.79

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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.