Home / 3,888,765.80-5,833,148.70-2,181,156.20

Finding the Fourth Proportional to 3,888,765.80, 5,833,148.70 and 2,181,156.20

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Solution

The fourth proportional to 3,888,765.80, 5,833,148.70 and 2,181,156.20 is: 3,271,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,765.80 : 5,833,148.70 = 2,181,156.20 : x
  2. Step 2: Convert to fraction form
    3,888,765.80/5,833,148.70 = 2,181,156.20/x
  3. Step 3: Cross multiply
    3,888,765.80x = 5,833,148.70 × 2,181,156.20
  4. Step 4: Simplify right side
    3,888,765.80x = 12,723,008,452,526.94
  5. Step 5: Solve for x
    x = 12,723,008,452,526.94/3,888,765.80
  6. Step 6: Final answer
    x = 3,271,734.30

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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.