Home / 3,419,392.80-4,718,350.96-1,969,559.76

Finding the Fourth Proportional to 3,419,392.80, 4,718,350.96 and 1,969,559.76

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Solution

The fourth proportional to 3,419,392.80, 4,718,350.96 and 1,969,559.76 is: 2,717,755.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,392.80 : 4,718,350.96 = 1,969,559.76 : x
  2. Step 2: Convert to fraction form
    3,419,392.80/4,718,350.96 = 1,969,559.76/x
  3. Step 3: Cross multiply
    3,419,392.80x = 4,718,350.96 × 1,969,559.76
  4. Step 4: Simplify right side
    3,419,392.80x = 9,293,074,184,373.37
  5. Step 5: Solve for x
    x = 9,293,074,184,373.37/3,419,392.80
  6. Step 6: Final answer
    x = 2,717,755.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.