Home / 2,221,899.15-3,066,470.20-1,255,091.72

Finding the Fourth Proportional to 2,221,899.15, 3,066,470.20 and 1,255,091.72

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Solution

The fourth proportional to 2,221,899.15, 3,066,470.20 and 1,255,091.72 is: 1,732,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,899.15 : 3,066,470.20 = 1,255,091.72 : x
  2. Step 2: Convert to fraction form
    2,221,899.15/3,066,470.20 = 1,255,091.72/x
  3. Step 3: Cross multiply
    2,221,899.15x = 3,066,470.20 × 1,255,091.72
  4. Step 4: Simplify right side
    2,221,899.15x = 3,848,701,346,842.84
  5. Step 5: Solve for x
    x = 3,848,701,346,842.84/2,221,899.15
  6. Step 6: Final answer
    x = 1,732,167.44

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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.