Home / 2,796,326.40-4,194,489.60-1,788,556.80

Finding the Fourth Proportional to 2,796,326.40, 4,194,489.60 and 1,788,556.80

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Solution

The fourth proportional to 2,796,326.40, 4,194,489.60 and 1,788,556.80 is: 2,682,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796,326.40 : 4,194,489.60 = 1,788,556.80 : x
  2. Step 2: Convert to fraction form
    2,796,326.40/4,194,489.60 = 1,788,556.80/x
  3. Step 3: Cross multiply
    2,796,326.40x = 4,194,489.60 × 1,788,556.80
  4. Step 4: Simplify right side
    2,796,326.40x = 7,502,082,896,609.28
  5. Step 5: Solve for x
    x = 7,502,082,896,609.28/2,796,326.40
  6. Step 6: Final answer
    x = 2,682,835.20

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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.