Home / 3,990,734.33-5,507,218.65-2,271,852.56

Finding the Fourth Proportional to 3,990,734.33, 5,507,218.65 and 2,271,852.56

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Solution

The fourth proportional to 3,990,734.33, 5,507,218.65 and 2,271,852.56 is: 3,135,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,734.33 : 5,507,218.65 = 2,271,852.56 : x
  2. Step 2: Convert to fraction form
    3,990,734.33/5,507,218.65 = 2,271,852.56/x
  3. Step 3: Cross multiply
    3,990,734.33x = 5,507,218.65 × 2,271,852.56
  4. Step 4: Simplify right side
    3,990,734.33x = 12,511,588,810,769.74
  5. Step 5: Solve for x
    x = 12,511,588,810,769.74/3,990,734.33
  6. Step 6: Final answer
    x = 3,135,159.55

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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.