Home / 2,187,000.40-3,280,500.60-1,336,694.80

Finding the Fourth Proportional to 2,187,000.40, 3,280,500.60 and 1,336,694.80

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Solution

The fourth proportional to 2,187,000.40, 3,280,500.60 and 1,336,694.80 is: 2,005,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,000.40 : 3,280,500.60 = 1,336,694.80 : x
  2. Step 2: Convert to fraction form
    2,187,000.40/3,280,500.60 = 1,336,694.80/x
  3. Step 3: Cross multiply
    2,187,000.40x = 3,280,500.60 × 1,336,694.80
  4. Step 4: Simplify right side
    2,187,000.40x = 4,385,028,093,416.88
  5. Step 5: Solve for x
    x = 4,385,028,093,416.88/2,187,000.40
  6. Step 6: Final answer
    x = 2,005,042.20

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1.5x scale

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.