Home / 3,927,935.70-5,419,917.72-2,208,953.70

Finding the Fourth Proportional to 3,927,935.70, 5,419,917.72 and 2,208,953.70

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Solution

The fourth proportional to 3,927,935.70, 5,419,917.72 and 2,208,953.70 is: 3,047,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,935.70 : 5,419,917.72 = 2,208,953.70 : x
  2. Step 2: Convert to fraction form
    3,927,935.70/5,419,917.72 = 2,208,953.70/x
  3. Step 3: Cross multiply
    3,927,935.70x = 5,419,917.72 × 2,208,953.70
  4. Step 4: Simplify right side
    3,927,935.70x = 11,972,347,301,289.56
  5. Step 5: Solve for x
    x = 11,972,347,301,289.56/3,927,935.70
  6. Step 6: Final answer
    x = 3,047,999.82

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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.