Home / 2,788,218.04-4,181,994.80-766,667.38

Finding the Fourth Proportional to 2,788,218.04, 4,181,994.80 and 766,667.38

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Solution

The fourth proportional to 2,788,218.04, 4,181,994.80 and 766,667.38 is: 1,149,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,218.04 : 4,181,994.80 = 766,667.38 : x
  2. Step 2: Convert to fraction form
    2,788,218.04/4,181,994.80 = 766,667.38/x
  3. Step 3: Cross multiply
    2,788,218.04x = 4,181,994.80 × 766,667.38
  4. Step 4: Simplify right side
    2,788,218.04x = 3,206,198,996,489.62
  5. Step 5: Solve for x
    x = 3,206,198,996,489.62/2,788,218.04
  6. Step 6: Final answer
    x = 1,149,909.71

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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.