Home / 2,187,018.80-3,280,528.20-1,336,713.20

Finding the Fourth Proportional to 2,187,018.80, 3,280,528.20 and 1,336,713.20

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Solution

The fourth proportional to 2,187,018.80, 3,280,528.20 and 1,336,713.20 is: 2,005,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,018.80 : 3,280,528.20 = 1,336,713.20 : x
  2. Step 2: Convert to fraction form
    2,187,018.80/3,280,528.20 = 1,336,713.20/x
  3. Step 3: Cross multiply
    2,187,018.80x = 3,280,528.20 × 1,336,713.20
  4. Step 4: Simplify right side
    2,187,018.80x = 4,385,125,347,912.24
  5. Step 5: Solve for x
    x = 4,385,125,347,912.24/2,187,018.80
  6. Step 6: Final answer
    x = 2,005,069.80

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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.