Home / 6,439,724.84-9,659,918.15-1,647,455.69

Finding the Fourth Proportional to 6,439,724.84, 9,659,918.15 and 1,647,455.69

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Solution

The fourth proportional to 6,439,724.84, 9,659,918.15 and 1,647,455.69 is: 2,471,268.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,724.84 : 9,659,918.15 = 1,647,455.69 : x
  2. Step 2: Convert to fraction form
    6,439,724.84/9,659,918.15 = 1,647,455.69/x
  3. Step 3: Cross multiply
    6,439,724.84x = 9,659,918.15 × 1,647,455.69
  4. Step 4: Simplify right side
    6,439,724.84x = 15,914,287,143,242.25
  5. Step 5: Solve for x
    x = 15,914,287,143,242.25/6,439,724.84
  6. Step 6: Final answer
    x = 2,471,268.19

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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.