Home / 1,728,608.20-2,592,912.30-1,492,217.80

Finding the Fourth Proportional to 1,728,608.20, 2,592,912.30 and 1,492,217.80

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Solution

The fourth proportional to 1,728,608.20, 2,592,912.30 and 1,492,217.80 is: 2,238,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,608.20 : 2,592,912.30 = 1,492,217.80 : x
  2. Step 2: Convert to fraction form
    1,728,608.20/2,592,912.30 = 1,492,217.80/x
  3. Step 3: Cross multiply
    1,728,608.20x = 2,592,912.30 × 1,492,217.80
  4. Step 4: Simplify right side
    1,728,608.20x = 3,869,189,887,898.94
  5. Step 5: Solve for x
    x = 3,869,189,887,898.94/1,728,608.20
  6. Step 6: Final answer
    x = 2,238,326.70

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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.