Home / 3,246,196.50-4,479,958.53-1,815,412.50

Finding the Fourth Proportional to 3,246,196.50, 4,479,958.53 and 1,815,412.50

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Solution

The fourth proportional to 3,246,196.50, 4,479,958.53 and 1,815,412.50 is: 2,505,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246,196.50 : 4,479,958.53 = 1,815,412.50 : x
  2. Step 2: Convert to fraction form
    3,246,196.50/4,479,958.53 = 1,815,412.50/x
  3. Step 3: Cross multiply
    3,246,196.50x = 4,479,958.53 × 1,815,412.50
  4. Step 4: Simplify right side
    3,246,196.50x = 8,132,972,714,843.63
  5. Step 5: Solve for x
    x = 8,132,972,714,843.63/3,246,196.50
  6. Step 6: Final answer
    x = 2,505,385.21

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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.