Home / 2,664,966.39-3,999,221.05-1,245,133.18

Finding the Fourth Proportional to 2,664,966.39, 3,999,221.05 and 1,245,133.18

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Solution

The fourth proportional to 2,664,966.39, 3,999,221.05 and 1,245,133.18 is: 1,868,527.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,966.39 : 3,999,221.05 = 1,245,133.18 : x
  2. Step 2: Convert to fraction form
    2,664,966.39/3,999,221.05 = 1,245,133.18/x
  3. Step 3: Cross multiply
    2,664,966.39x = 3,999,221.05 × 1,245,133.18
  4. Step 4: Simplify right side
    2,664,966.39x = 4,979,562,823,509.44
  5. Step 5: Solve for x
    x = 4,979,562,823,509.44/2,664,966.39
  6. Step 6: Final answer
    x = 1,868,527.44

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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.