Home / 3,116,715.78-4,677,947.49-1,580,789.22

Finding the Fourth Proportional to 3,116,715.78, 4,677,947.49 and 1,580,789.22

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Solution

The fourth proportional to 3,116,715.78, 4,677,947.49 and 1,580,789.22 is: 2,372,641.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,715.78 : 4,677,947.49 = 1,580,789.22 : x
  2. Step 2: Convert to fraction form
    3,116,715.78/4,677,947.49 = 1,580,789.22/x
  3. Step 3: Cross multiply
    3,116,715.78x = 4,677,947.49 × 1,580,789.22
  4. Step 4: Simplify right side
    3,116,715.78x = 7,394,848,963,918.06
  5. Step 5: Solve for x
    x = 7,394,848,963,918.06/3,116,715.78
  6. Step 6: Final answer
    x = 2,372,641.42

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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.