Home / 5,183,823.96-7,779,206.70-2,151,192.78

Finding the Fourth Proportional to 5,183,823.96, 7,779,206.70 and 2,151,192.78

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Solution

The fourth proportional to 5,183,823.96, 7,779,206.70 and 2,151,192.78 is: 3,228,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183,823.96 : 7,779,206.70 = 2,151,192.78 : x
  2. Step 2: Convert to fraction form
    5,183,823.96/7,779,206.70 = 2,151,192.78/x
  3. Step 3: Cross multiply
    5,183,823.96x = 7,779,206.70 × 2,151,192.78
  4. Step 4: Simplify right side
    5,183,823.96x = 16,734,573,287,167.62
  5. Step 5: Solve for x
    x = 16,734,573,287,167.62/5,183,823.96
  6. Step 6: Final answer
    x = 3,228,229.47

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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.