Home / 2,721,944.70-4,082,917.05-1,910,130.30

Finding the Fourth Proportional to 2,721,944.70, 4,082,917.05 and 1,910,130.30

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Solution

The fourth proportional to 2,721,944.70, 4,082,917.05 and 1,910,130.30 is: 2,865,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721,944.70 : 4,082,917.05 = 1,910,130.30 : x
  2. Step 2: Convert to fraction form
    2,721,944.70/4,082,917.05 = 1,910,130.30/x
  3. Step 3: Cross multiply
    2,721,944.70x = 4,082,917.05 × 1,910,130.30
  4. Step 4: Simplify right side
    2,721,944.70x = 7,798,903,569,591.62
  5. Step 5: Solve for x
    x = 7,798,903,569,591.62/2,721,944.70
  6. Step 6: Final answer
    x = 2,865,195.45

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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.