Home / 2,191,528.66-3,288,031.26-1,380,971.92

Finding the Fourth Proportional to 2,191,528.66, 3,288,031.26 and 1,380,971.92

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Solution

The fourth proportional to 2,191,528.66, 3,288,031.26 and 1,380,971.92 is: 2,071,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,528.66 : 3,288,031.26 = 1,380,971.92 : x
  2. Step 2: Convert to fraction form
    2,191,528.66/3,288,031.26 = 1,380,971.92/x
  3. Step 3: Cross multiply
    2,191,528.66x = 3,288,031.26 × 1,380,971.92
  4. Step 4: Simplify right side
    2,191,528.66x = 4,540,678,842,142.22
  5. Step 5: Solve for x
    x = 4,540,678,842,142.22/2,191,528.66
  6. Step 6: Final answer
    x = 2,071,923.09

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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.