Home / 2,880,715.80-4,321,073.70-2,557,234.20

Finding the Fourth Proportional to 2,880,715.80, 4,321,073.70 and 2,557,234.20

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Solution

The fourth proportional to 2,880,715.80, 4,321,073.70 and 2,557,234.20 is: 3,835,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,715.80 : 4,321,073.70 = 2,557,234.20 : x
  2. Step 2: Convert to fraction form
    2,880,715.80/4,321,073.70 = 2,557,234.20/x
  3. Step 3: Cross multiply
    2,880,715.80x = 4,321,073.70 × 2,557,234.20
  4. Step 4: Simplify right side
    2,880,715.80x = 11,049,997,446,360.54
  5. Step 5: Solve for x
    x = 11,049,997,446,360.54/2,880,715.80
  6. Step 6: Final answer
    x = 3,835,851.30

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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.