Home / 2,405,842.83-3,320,063.01-1,318,155.66

Finding the Fourth Proportional to 2,405,842.83, 3,320,063.01 and 1,318,155.66

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Solution

The fourth proportional to 2,405,842.83, 3,320,063.01 and 1,318,155.66 is: 1,819,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,842.83 : 3,320,063.01 = 1,318,155.66 : x
  2. Step 2: Convert to fraction form
    2,405,842.83/3,320,063.01 = 1,318,155.66/x
  3. Step 3: Cross multiply
    2,405,842.83x = 3,320,063.01 × 1,318,155.66
  4. Step 4: Simplify right side
    2,405,842.83x = 4,376,359,848,188.14
  5. Step 5: Solve for x
    x = 4,376,359,848,188.14/2,405,842.83
  6. Step 6: Final answer
    x = 1,819,054.76

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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.