Home / 2,405,326.80-3,319,404.60-1,372,813.92

Finding the Fourth Proportional to 2,405,326.80, 3,319,404.60 and 1,372,813.92

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Solution

The fourth proportional to 2,405,326.80, 3,319,404.60 and 1,372,813.92 is: 1,894,513.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,326.80 : 3,319,404.60 = 1,372,813.92 : x
  2. Step 2: Convert to fraction form
    2,405,326.80/3,319,404.60 = 1,372,813.92/x
  3. Step 3: Cross multiply
    2,405,326.80x = 3,319,404.60 × 1,372,813.92
  4. Step 4: Simplify right side
    2,405,326.80x = 4,556,924,840,992.03
  5. Step 5: Solve for x
    x = 4,556,924,840,992.03/2,405,326.80
  6. Step 6: Final answer
    x = 1,894,513.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.