Home / 2,515,663.40-3,773,322.30-809,781.80

Finding the Fourth Proportional to 2,515,663.40, 3,773,322.30 and 809,781.80

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Solution

The fourth proportional to 2,515,663.40, 3,773,322.30 and 809,781.80 is: 1,214,617.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515,663.40 : 3,773,322.30 = 809,781.80 : x
  2. Step 2: Convert to fraction form
    2,515,663.40/3,773,322.30 = 809,781.80/x
  3. Step 3: Cross multiply
    2,515,663.40x = 3,773,322.30 × 809,781.80
  4. Step 4: Simplify right side
    2,515,663.40x = 3,055,567,724,074.14
  5. Step 5: Solve for x
    x = 3,055,567,724,074.14/2,515,663.40
  6. Step 6: Final answer
    x = 1,214,617.08

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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.