Home / 5,183,878.12-7,779,285.52-2,151,243.88

Finding the Fourth Proportional to 5,183,878.12, 7,779,285.52 and 2,151,243.88

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Solution

The fourth proportional to 5,183,878.12, 7,779,285.52 and 2,151,243.88 is: 3,228,305.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183,878.12 : 7,779,285.52 = 2,151,243.88 : x
  2. Step 2: Convert to fraction form
    5,183,878.12/7,779,285.52 = 2,151,243.88/x
  3. Step 3: Cross multiply
    5,183,878.12x = 7,779,285.52 × 2,151,243.88
  4. Step 4: Simplify right side
    5,183,878.12x = 16,735,140,365,672.62
  5. Step 5: Solve for x
    x = 16,735,140,365,672.62/5,183,878.12
  6. Step 6: Final answer
    x = 3,228,305.14

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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.