Home / 2,686,672.80-4,029,068.40-792,912.80

Finding the Fourth Proportional to 2,686,672.80, 4,029,068.40 and 792,912.80

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Solution

The fourth proportional to 2,686,672.80, 4,029,068.40 and 792,912.80 is: 1,189,091.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,672.80 : 4,029,068.40 = 792,912.80 : x
  2. Step 2: Convert to fraction form
    2,686,672.80/4,029,068.40 = 792,912.80/x
  3. Step 3: Cross multiply
    2,686,672.80x = 4,029,068.40 × 792,912.80
  4. Step 4: Simplify right side
    2,686,672.80x = 3,194,699,906,435.52
  5. Step 5: Solve for x
    x = 3,194,699,906,435.52/2,686,672.80
  6. Step 6: Final answer
    x = 1,189,091.54

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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.