Home / 2,153,000.75-3,229,524.18-921,842.78

Finding the Fourth Proportional to 2,153,000.75, 3,229,524.18 and 921,842.78

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Solution

The fourth proportional to 2,153,000.75, 3,229,524.18 and 921,842.78 is: 1,382,774.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,000.75 : 3,229,524.18 = 921,842.78 : x
  2. Step 2: Convert to fraction form
    2,153,000.75/3,229,524.18 = 921,842.78/x
  3. Step 3: Cross multiply
    2,153,000.75x = 3,229,524.18 × 921,842.78
  4. Step 4: Simplify right side
    2,153,000.75x = 2,977,113,532,020.80
  5. Step 5: Solve for x
    x = 2,977,113,532,020.80/2,153,000.75
  6. Step 6: Final answer
    x = 1,382,774.04

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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.