Home / 2,387,111.20-3,580,667.96-789,674.28

Finding the Fourth Proportional to 2,387,111.20, 3,580,667.96 and 789,674.28

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Solution

The fourth proportional to 2,387,111.20, 3,580,667.96 and 789,674.28 is: 1,184,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387,111.20 : 3,580,667.96 = 789,674.28 : x
  2. Step 2: Convert to fraction form
    2,387,111.20/3,580,667.96 = 789,674.28/x
  3. Step 3: Cross multiply
    2,387,111.20x = 3,580,667.96 × 789,674.28
  4. Step 4: Simplify right side
    2,387,111.20x = 2,827,561,393,232.07
  5. Step 5: Solve for x
    x = 2,827,561,393,232.07/2,387,111.20
  6. Step 6: Final answer
    x = 1,184,511.80

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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.