Home / 2,337,815.80-3,505,848.90-820,912.60

Finding the Fourth Proportional to 2,337,815.80, 3,505,848.90 and 820,912.60

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Solution

The fourth proportional to 2,337,815.80, 3,505,848.90 and 820,912.60 is: 1,231,061.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337,815.80 : 3,505,848.90 = 820,912.60 : x
  2. Step 2: Convert to fraction form
    2,337,815.80/3,505,848.90 = 820,912.60/x
  3. Step 3: Cross multiply
    2,337,815.80x = 3,505,848.90 × 820,912.60
  4. Step 4: Simplify right side
    2,337,815.80x = 2,877,995,535,706.14
  5. Step 5: Solve for x
    x = 2,877,995,535,706.14/2,337,815.80
  6. Step 6: Final answer
    x = 1,231,061.72

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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.