Home / 3,015,872.99-4,161,932.63-1,639,219.86

Finding the Fourth Proportional to 3,015,872.99, 4,161,932.63 and 1,639,219.86

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Solution

The fourth proportional to 3,015,872.99, 4,161,932.63 and 1,639,219.86 is: 2,262,138.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,872.99 : 4,161,932.63 = 1,639,219.86 : x
  2. Step 2: Convert to fraction form
    3,015,872.99/4,161,932.63 = 1,639,219.86/x
  3. Step 3: Cross multiply
    3,015,872.99x = 4,161,932.63 × 1,639,219.86
  4. Step 4: Simplify right side
    3,015,872.99x = 6,822,322,614,881.93
  5. Step 5: Solve for x
    x = 6,822,322,614,881.93/3,015,872.99
  6. Step 6: Final answer
    x = 2,262,138.57

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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.