Home / 2,100,058.20-3,150,548.10-679,872.60

Finding the Fourth Proportional to 2,100,058.20, 3,150,548.10 and 679,872.60

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Solution

The fourth proportional to 2,100,058.20, 3,150,548.10 and 679,872.60 is: 1,019,958.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,058.20 : 3,150,548.10 = 679,872.60 : x
  2. Step 2: Convert to fraction form
    2,100,058.20/3,150,548.10 = 679,872.60/x
  3. Step 3: Cross multiply
    2,100,058.20x = 3,150,548.10 × 679,872.60
  4. Step 4: Simplify right side
    2,100,058.20x = 2,141,971,328,172.06
  5. Step 5: Solve for x
    x = 2,141,971,328,172.06/2,100,058.20
  6. Step 6: Final answer
    x = 1,019,958.08

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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.