Home / 3,015,993.61-4,162,099.05-1,639,340.56

Finding the Fourth Proportional to 3,015,993.61, 4,162,099.05 and 1,639,340.56

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Solution

The fourth proportional to 3,015,993.61, 4,162,099.05 and 1,639,340.56 is: 2,262,305.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,993.61 : 4,162,099.05 = 1,639,340.56 : x
  2. Step 2: Convert to fraction form
    3,015,993.61/4,162,099.05 = 1,639,340.56/x
  3. Step 3: Cross multiply
    3,015,993.61x = 4,162,099.05 × 1,639,340.56
  4. Step 4: Simplify right side
    3,015,993.61x = 6,823,097,778,683.43
  5. Step 5: Solve for x
    x = 6,823,097,778,683.43/3,015,993.61
  6. Step 6: Final answer
    x = 2,262,305.11

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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.