Home / 2,668,657.72-4,003,232.58-871,550.56

Finding the Fourth Proportional to 2,668,657.72, 4,003,232.58 and 871,550.56

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Solution

The fourth proportional to 2,668,657.72, 4,003,232.58 and 871,550.56 is: 1,307,406.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,657.72 : 4,003,232.58 = 871,550.56 : x
  2. Step 2: Convert to fraction form
    2,668,657.72/4,003,232.58 = 871,550.56/x
  3. Step 3: Cross multiply
    2,668,657.72x = 4,003,232.58 × 871,550.56
  4. Step 4: Simplify right side
    2,668,657.72x = 3,489,019,596,909.25
  5. Step 5: Solve for x
    x = 3,489,019,596,909.25/2,668,657.72
  6. Step 6: Final answer
    x = 1,307,406.18

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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.