Home / 3,780,682.83-5,215,818.02-2,188,349.19

Finding the Fourth Proportional to 3,780,682.83, 5,215,818.02 and 2,188,349.19

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Solution

The fourth proportional to 3,780,682.83, 5,215,818.02 and 2,188,349.19 is: 3,019,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,682.83 : 5,215,818.02 = 2,188,349.19 : x
  2. Step 2: Convert to fraction form
    3,780,682.83/5,215,818.02 = 2,188,349.19/x
  3. Step 3: Cross multiply
    3,780,682.83x = 5,215,818.02 × 2,188,349.19
  4. Step 4: Simplify right side
    3,780,682.83x = 11,414,031,128,312.66
  5. Step 5: Solve for x
    x = 11,414,031,128,312.66/3,780,682.83
  6. Step 6: Final answer
    x = 3,019,039.59

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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.