Home / 5,787,318.02-7,986,857.85-3,208,998.78

Finding the Fourth Proportional to 5,787,318.02, 7,986,857.85 and 3,208,998.78

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Solution

The fourth proportional to 5,787,318.02, 7,986,857.85 and 3,208,998.78 is: 4,428,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787,318.02 : 7,986,857.85 = 3,208,998.78 : x
  2. Step 2: Convert to fraction form
    5,787,318.02/7,986,857.85 = 3,208,998.78/x
  3. Step 3: Cross multiply
    5,787,318.02x = 7,986,857.85 × 3,208,998.78
  4. Step 4: Simplify right side
    5,787,318.02x = 25,629,817,096,683.42
  5. Step 5: Solve for x
    x = 25,629,817,096,683.42/5,787,318.02
  6. Step 6: Final answer
    x = 4,428,617.37

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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.