Home / 3,221,367.80-4,445,490.42-1,771,087.88

Finding the Fourth Proportional to 3,221,367.80, 4,445,490.42 and 1,771,087.88

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Solution

The fourth proportional to 3,221,367.80, 4,445,490.42 and 1,771,087.88 is: 2,444,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,367.80 : 4,445,490.42 = 1,771,087.88 : x
  2. Step 2: Convert to fraction form
    3,221,367.80/4,445,490.42 = 1,771,087.88/x
  3. Step 3: Cross multiply
    3,221,367.80x = 4,445,490.42 × 1,771,087.88
  4. Step 4: Simplify right side
    3,221,367.80x = 7,873,354,203,518.11
  5. Step 5: Solve for x
    x = 7,873,354,203,518.11/3,221,367.80
  6. Step 6: Final answer
    x = 2,444,102.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.