Home / 2,664,965.63-3,999,219.92-1,245,132.43

Finding the Fourth Proportional to 2,664,965.63, 3,999,219.92 and 1,245,132.43

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Solution

The fourth proportional to 2,664,965.63, 3,999,219.92 and 1,245,132.43 is: 1,868,526.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,965.63 : 3,999,219.92 = 1,245,132.43 : x
  2. Step 2: Convert to fraction form
    2,664,965.63/3,999,219.92 = 1,245,132.43/x
  3. Step 3: Cross multiply
    2,664,965.63x = 3,999,219.92 × 1,245,132.43
  4. Step 4: Simplify right side
    2,664,965.63x = 4,979,558,410,208.79
  5. Step 5: Solve for x
    x = 4,979,558,410,208.79/2,664,965.63
  6. Step 6: Final answer
    x = 1,868,526.31

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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.