Home / 4,288,163.88-6,432,387.90-2,157,086.76

Finding the Fourth Proportional to 4,288,163.88, 6,432,387.90 and 2,157,086.76

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Solution

The fourth proportional to 4,288,163.88, 6,432,387.90 and 2,157,086.76 is: 3,235,701.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288,163.88 : 6,432,387.90 = 2,157,086.76 : x
  2. Step 2: Convert to fraction form
    4,288,163.88/6,432,387.90 = 2,157,086.76/x
  3. Step 3: Cross multiply
    4,288,163.88x = 6,432,387.90 × 2,157,086.76
  4. Step 4: Simplify right side
    4,288,163.88x = 13,875,218,774,274.20
  5. Step 5: Solve for x
    x = 13,875,218,774,274.20/4,288,163.88
  6. Step 6: Final answer
    x = 3,235,701.61

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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.