Home / 1,942,672.44-2,912,220.18-1,311,805.56

Finding the Fourth Proportional to 1,942,672.44, 2,912,220.18 and 1,311,805.56

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Solution

The fourth proportional to 1,942,672.44, 2,912,220.18 and 1,311,805.56 is: 1,966,500.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,672.44 : 2,912,220.18 = 1,311,805.56 : x
  2. Step 2: Convert to fraction form
    1,942,672.44/2,912,220.18 = 1,311,805.56/x
  3. Step 3: Cross multiply
    1,942,672.44x = 2,912,220.18 × 1,311,805.56
  4. Step 4: Simplify right side
    1,942,672.44x = 3,820,266,624,068.20
  5. Step 5: Solve for x
    x = 3,820,266,624,068.20/1,942,672.44
  6. Step 6: Final answer
    x = 1,966,500.65

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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.