Home / 1,728,210.20-2,592,315.30-1,491,819.80

Finding the Fourth Proportional to 1,728,210.20, 2,592,315.30 and 1,491,819.80

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Solution

The fourth proportional to 1,728,210.20, 2,592,315.30 and 1,491,819.80 is: 2,237,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,210.20 : 2,592,315.30 = 1,491,819.80 : x
  2. Step 2: Convert to fraction form
    1,728,210.20/2,592,315.30 = 1,491,819.80/x
  3. Step 3: Cross multiply
    1,728,210.20x = 2,592,315.30 × 1,491,819.80
  4. Step 4: Simplify right side
    1,728,210.20x = 3,867,267,292,382.94
  5. Step 5: Solve for x
    x = 3,867,267,292,382.94/1,728,210.20
  6. Step 6: Final answer
    x = 2,237,729.70

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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.