Home / 2,238,164.80-3,356,858.40-817,489.60

Finding the Fourth Proportional to 2,238,164.80, 3,356,858.40 and 817,489.60

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Solution

The fourth proportional to 2,238,164.80, 3,356,858.40 and 817,489.60 is: 1,226,092.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,164.80 : 3,356,858.40 = 817,489.60 : x
  2. Step 2: Convert to fraction form
    2,238,164.80/3,356,858.40 = 817,489.60/x
  3. Step 3: Cross multiply
    2,238,164.80x = 3,356,858.40 × 817,489.60
  4. Step 4: Simplify right side
    2,238,164.80x = 2,744,196,830,672.64
  5. Step 5: Solve for x
    x = 2,744,196,830,672.64/2,238,164.80
  6. Step 6: Final answer
    x = 1,226,092.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.