Home / 2,485,985.55-3,729,058.51-688,886.34

Finding the Fourth Proportional to 2,485,985.55, 3,729,058.51 and 688,886.34

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Solution

The fourth proportional to 2,485,985.55, 3,729,058.51 and 688,886.34 is: 1,033,351.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,985.55 : 3,729,058.51 = 688,886.34 : x
  2. Step 2: Convert to fraction form
    2,485,985.55/3,729,058.51 = 688,886.34/x
  3. Step 3: Cross multiply
    2,485,985.55x = 3,729,058.51 × 688,886.34
  4. Step 4: Simplify right side
    2,485,985.55x = 2,568,897,454,185.23
  5. Step 5: Solve for x
    x = 2,568,897,454,185.23/2,485,985.55
  6. Step 6: Final answer
    x = 1,033,351.73

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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.