Home / 3,980,685.72-5,962,276.44-3,289,741.86

Finding the Fourth Proportional to 3,980,685.72, 5,962,276.44 and 3,289,741.86

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Solution

The fourth proportional to 3,980,685.72, 5,962,276.44 and 3,289,741.86 is: 4,927,379.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,685.72 : 5,962,276.44 = 3,289,741.86 : x
  2. Step 2: Convert to fraction form
    3,980,685.72/5,962,276.44 = 3,289,741.86/x
  3. Step 3: Cross multiply
    3,980,685.72x = 5,962,276.44 × 3,289,741.86
  4. Step 4: Simplify right side
    3,980,685.72x = 19,614,350,385,559.78
  5. Step 5: Solve for x
    x = 19,614,350,385,559.78/3,980,685.72
  6. Step 6: Final answer
    x = 4,927,379.79

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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.