Home / 2,872,532.16-4,309,313.76-1,189,765.44

Finding the Fourth Proportional to 2,872,532.16, 4,309,313.76 and 1,189,765.44

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Solution

The fourth proportional to 2,872,532.16, 4,309,313.76 and 1,189,765.44 is: 1,784,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,532.16 : 4,309,313.76 = 1,189,765.44 : x
  2. Step 2: Convert to fraction form
    2,872,532.16/4,309,313.76 = 1,189,765.44/x
  3. Step 3: Cross multiply
    2,872,532.16x = 4,309,313.76 × 1,189,765.44
  4. Step 4: Simplify right side
    2,872,532.16x = 5,127,072,581,764.45
  5. Step 5: Solve for x
    x = 5,127,072,581,764.45/2,872,532.16
  6. Step 6: Final answer
    x = 1,784,861.68

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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.