Home / 2,880,712.80-4,321,069.20-2,557,231.20

Finding the Fourth Proportional to 2,880,712.80, 4,321,069.20 and 2,557,231.20

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Solution

The fourth proportional to 2,880,712.80, 4,321,069.20 and 2,557,231.20 is: 3,835,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,712.80 : 4,321,069.20 = 2,557,231.20 : x
  2. Step 2: Convert to fraction form
    2,880,712.80/4,321,069.20 = 2,557,231.20/x
  3. Step 3: Cross multiply
    2,880,712.80x = 4,321,069.20 × 2,557,231.20
  4. Step 4: Simplify right side
    2,880,712.80x = 11,049,972,975,599.04
  5. Step 5: Solve for x
    x = 11,049,972,975,599.04/2,880,712.80
  6. Step 6: Final answer
    x = 3,835,846.80

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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.