Home / 3,779,889.37-5,216,333.39-2,148,039.61

Finding the Fourth Proportional to 3,779,889.37, 5,216,333.39 and 2,148,039.61

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Solution

The fourth proportional to 3,779,889.37, 5,216,333.39 and 2,148,039.61 is: 2,964,343.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,889.37 : 5,216,333.39 = 2,148,039.61 : x
  2. Step 2: Convert to fraction form
    3,779,889.37/5,216,333.39 = 2,148,039.61/x
  3. Step 3: Cross multiply
    3,779,889.37x = 5,216,333.39 × 2,148,039.61
  4. Step 4: Simplify right side
    3,779,889.37x = 11,204,890,729,945.38
  5. Step 5: Solve for x
    x = 11,204,890,729,945.38/3,779,889.37
  6. Step 6: Final answer
    x = 2,964,343.56

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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.