Home / 5,176,803.67-7,143,662.09-2,853,568.15

Finding the Fourth Proportional to 5,176,803.67, 7,143,662.09 and 2,853,568.15

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Solution

The fourth proportional to 5,176,803.67, 7,143,662.09 and 2,853,568.15 is: 3,937,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,803.67 : 7,143,662.09 = 2,853,568.15 : x
  2. Step 2: Convert to fraction form
    5,176,803.67/7,143,662.09 = 2,853,568.15/x
  3. Step 3: Cross multiply
    5,176,803.67x = 7,143,662.09 × 2,853,568.15
  4. Step 4: Simplify right side
    5,176,803.67x = 20,384,926,603,661.20
  5. Step 5: Solve for x
    x = 20,384,926,603,661.20/5,176,803.67
  6. Step 6: Final answer
    x = 3,937,743.81

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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.