Home / 2,461,485.72-3,692,198.88-639,689.25

Finding the Fourth Proportional to 2,461,485.72, 3,692,198.88 and 639,689.25

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Solution

The fourth proportional to 2,461,485.72, 3,692,198.88 and 639,689.25 is: 959,526.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461,485.72 : 3,692,198.88 = 639,689.25 : x
  2. Step 2: Convert to fraction form
    2,461,485.72/3,692,198.88 = 639,689.25/x
  3. Step 3: Cross multiply
    2,461,485.72x = 3,692,198.88 × 639,689.25
  4. Step 4: Simplify right side
    2,461,485.72x = 2,361,859,932,398.04
  5. Step 5: Solve for x
    x = 2,361,859,932,398.04/2,461,485.72
  6. Step 6: Final answer
    x = 959,526.16

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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.