Home / 2,405,813.96-3,320,023.19-1,318,126.79

Finding the Fourth Proportional to 2,405,813.96, 3,320,023.19 and 1,318,126.79

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Solution

The fourth proportional to 2,405,813.96, 3,320,023.19 and 1,318,126.79 is: 1,819,014.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,813.96 : 3,320,023.19 = 1,318,126.79 : x
  2. Step 2: Convert to fraction form
    2,405,813.96/3,320,023.19 = 1,318,126.79/x
  3. Step 3: Cross multiply
    2,405,813.96x = 3,320,023.19 × 1,318,126.79
  4. Step 4: Simplify right side
    2,405,813.96x = 4,376,211,486,969.51
  5. Step 5: Solve for x
    x = 4,376,211,486,969.51/2,405,813.96
  6. Step 6: Final answer
    x = 1,819,014.92

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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.