Home / 2,170,605.35-3,255,935.51-822,405.80

Finding the Fourth Proportional to 2,170,605.35, 3,255,935.51 and 822,405.80

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Solution

The fourth proportional to 2,170,605.35, 3,255,935.51 and 822,405.80 is: 1,233,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,605.35 : 3,255,935.51 = 822,405.80 : x
  2. Step 2: Convert to fraction form
    2,170,605.35/3,255,935.51 = 822,405.80/x
  3. Step 3: Cross multiply
    2,170,605.35x = 3,255,935.51 × 822,405.80
  4. Step 4: Simplify right side
    2,170,605.35x = 2,677,700,227,458.25
  5. Step 5: Solve for x
    x = 2,677,700,227,458.25/2,170,605.35
  6. Step 6: Final answer
    x = 1,233,619.11

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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.