Home / 3,653,315.92-5,041,585.78-2,021,835.78

Finding the Fourth Proportional to 3,653,315.92, 5,041,585.78 and 2,021,835.78

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Solution

The fourth proportional to 3,653,315.92, 5,041,585.78 and 2,021,835.78 is: 2,790,138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653,315.92 : 5,041,585.78 = 2,021,835.78 : x
  2. Step 2: Convert to fraction form
    3,653,315.92/5,041,585.78 = 2,021,835.78/x
  3. Step 3: Cross multiply
    3,653,315.92x = 5,041,585.78 × 2,021,835.78
  4. Step 4: Simplify right side
    3,653,315.92x = 10,193,258,517,943.21
  5. Step 5: Solve for x
    x = 10,193,258,517,943.21/3,653,315.92
  6. Step 6: Final answer
    x = 2,790,138.81

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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.