Home / 5,077,286.54-7,619,566.08-2,161,423.72

Finding the Fourth Proportional to 5,077,286.54, 7,619,566.08 and 2,161,423.72

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Solution

The fourth proportional to 5,077,286.54, 7,619,566.08 and 2,161,423.72 is: 3,243,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077,286.54 : 7,619,566.08 = 2,161,423.72 : x
  2. Step 2: Convert to fraction form
    5,077,286.54/7,619,566.08 = 2,161,423.72/x
  3. Step 3: Cross multiply
    5,077,286.54x = 7,619,566.08 × 2,161,423.72
  4. Step 4: Simplify right side
    5,077,286.54x = 16,469,110,896,718.92
  5. Step 5: Solve for x
    x = 16,469,110,896,718.92/5,077,286.54
  6. Step 6: Final answer
    x = 3,243,683.56

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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.