Home / 1,942,247.28-2,914,551.90-820,316.28

Finding the Fourth Proportional to 1,942,247.28, 2,914,551.90 and 820,316.28

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Solution

The fourth proportional to 1,942,247.28, 2,914,551.90 and 820,316.28 is: 1,230,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,247.28 : 2,914,551.90 = 820,316.28 : x
  2. Step 2: Convert to fraction form
    1,942,247.28/2,914,551.90 = 820,316.28/x
  3. Step 3: Cross multiply
    1,942,247.28x = 2,914,551.90 × 820,316.28
  4. Step 4: Simplify right side
    1,942,247.28x = 2,390,854,372,474.93
  5. Step 5: Solve for x
    x = 2,390,854,372,474.93/1,942,247.28
  6. Step 6: Final answer
    x = 1,230,973.21

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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.