Home / 6,739,945.70-10,109,918.55-1,947,791.30

Finding the Fourth Proportional to 6,739,945.70, 10,109,918.55 and 1,947,791.30

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Solution

The fourth proportional to 6,739,945.70, 10,109,918.55 and 1,947,791.30 is: 2,921,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,945.70 : 10,109,918.55 = 1,947,791.30 : x
  2. Step 2: Convert to fraction form
    6,739,945.70/10,109,918.55 = 1,947,791.30/x
  3. Step 3: Cross multiply
    6,739,945.70x = 10,109,918.55 × 1,947,791.30
  4. Step 4: Simplify right side
    6,739,945.70x = 19,692,011,395,398.62
  5. Step 5: Solve for x
    x = 19,692,011,395,398.62/6,739,945.70
  6. Step 6: Final answer
    x = 2,921,686.95

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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.