Home / 3,958,875-5,463,276.66-2,148,039

Finding the Fourth Proportional to 3,958,875, 5,463,276.66 and 2,148,039

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Solution

The fourth proportional to 3,958,875, 5,463,276.66 and 2,148,039 is: 2,964,309.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958,875 : 5,463,276.66 = 2,148,039 : x
  2. Step 2: Convert to fraction form
    3,958,875/5,463,276.66 = 2,148,039/x
  3. Step 3: Cross multiply
    3,958,875x = 5,463,276.66 × 2,148,039
  4. Step 4: Simplify right side
    3,958,875x = 11,735,331,333,469.74
  5. Step 5: Solve for x
    x = 11,735,331,333,469.74/3,958,875
  6. Step 6: Final answer
    x = 2,964,309.64

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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.