Home / 2,809,189.20-3,876,673.32-1,520,051.52

Finding the Fourth Proportional to 2,809,189.20, 3,876,673.32 and 1,520,051.52

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Solution

The fourth proportional to 2,809,189.20, 3,876,673.32 and 1,520,051.52 is: 2,097,666.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,189.20 : 3,876,673.32 = 1,520,051.52 : x
  2. Step 2: Convert to fraction form
    2,809,189.20/3,876,673.32 = 1,520,051.52/x
  3. Step 3: Cross multiply
    2,809,189.20x = 3,876,673.32 × 1,520,051.52
  4. Step 4: Simplify right side
    2,809,189.20x = 5,892,743,172,609.45
  5. Step 5: Solve for x
    x = 5,892,743,172,609.45/2,809,189.20
  6. Step 6: Final answer
    x = 2,097,666.89

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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.