Home / 2,145,927.82-3,218,392.34-798,724.88

Finding the Fourth Proportional to 2,145,927.82, 3,218,392.34 and 798,724.88

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Solution

The fourth proportional to 2,145,927.82, 3,218,392.34 and 798,724.88 is: 1,197,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,927.82 : 3,218,392.34 = 798,724.88 : x
  2. Step 2: Convert to fraction form
    2,145,927.82/3,218,392.34 = 798,724.88/x
  3. Step 3: Cross multiply
    2,145,927.82x = 3,218,392.34 × 798,724.88
  4. Step 4: Simplify right side
    2,145,927.82x = 2,570,610,031,565.80
  5. Step 5: Solve for x
    x = 2,570,610,031,565.80/2,145,927.82
  6. Step 6: Final answer
    x = 1,197,901.45

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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.