Home / 3,849,469.65-5,312,182.62-2,107,137.78

Finding the Fourth Proportional to 3,849,469.65, 5,312,182.62 and 2,107,137.78

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Solution

The fourth proportional to 3,849,469.65, 5,312,182.62 and 2,107,137.78 is: 2,907,803.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849,469.65 : 5,312,182.62 = 2,107,137.78 : x
  2. Step 2: Convert to fraction form
    3,849,469.65/5,312,182.62 = 2,107,137.78/x
  3. Step 3: Cross multiply
    3,849,469.65x = 5,312,182.62 × 2,107,137.78
  4. Step 4: Simplify right side
    3,849,469.65x = 11,193,500,692,861.38
  5. Step 5: Solve for x
    x = 11,193,500,692,861.38/3,849,469.65
  6. Step 6: Final answer
    x = 2,907,803.34

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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.