Home / 2,135,853.60-3,203,780.40-873,261.60

Finding the Fourth Proportional to 2,135,853.60, 3,203,780.40 and 873,261.60

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Solution

The fourth proportional to 2,135,853.60, 3,203,780.40 and 873,261.60 is: 1,309,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,853.60 : 3,203,780.40 = 873,261.60 : x
  2. Step 2: Convert to fraction form
    2,135,853.60/3,203,780.40 = 873,261.60/x
  3. Step 3: Cross multiply
    2,135,853.60x = 3,203,780.40 × 873,261.60
  4. Step 4: Simplify right side
    2,135,853.60x = 2,797,738,398,152.64
  5. Step 5: Solve for x
    x = 2,797,738,398,152.64/2,135,853.60
  6. Step 6: Final answer
    x = 1,309,892.40

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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.