Home / 2,405,489.21-3,319,579.13-1,317,737.07

Finding the Fourth Proportional to 2,405,489.21, 3,319,579.13 and 1,317,737.07

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Solution

The fourth proportional to 2,405,489.21, 3,319,579.13 and 1,317,737.07 is: 1,818,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,489.21 : 3,319,579.13 = 1,317,737.07 : x
  2. Step 2: Convert to fraction form
    2,405,489.21/3,319,579.13 = 1,317,737.07/x
  3. Step 3: Cross multiply
    2,405,489.21x = 3,319,579.13 × 1,317,737.07
  4. Step 4: Simplify right side
    2,405,489.21x = 4,374,332,487,992.64
  5. Step 5: Solve for x
    x = 4,374,332,487,992.64/2,405,489.21
  6. Step 6: Final answer
    x = 1,818,479.36

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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.