Home / 3,278,417.76-4,524,539.04-1,989,156.96

Finding the Fourth Proportional to 3,278,417.76, 4,524,539.04 and 1,989,156.96

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Solution

The fourth proportional to 3,278,417.76, 4,524,539.04 and 1,989,156.96 is: 2,745,232.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278,417.76 : 4,524,539.04 = 1,989,156.96 : x
  2. Step 2: Convert to fraction form
    3,278,417.76/4,524,539.04 = 1,989,156.96/x
  3. Step 3: Cross multiply
    3,278,417.76x = 4,524,539.04 × 1,989,156.96
  4. Step 4: Simplify right side
    3,278,417.76x = 9,000,018,322,207.72
  5. Step 5: Solve for x
    x = 9,000,018,322,207.72/3,278,417.76
  6. Step 6: Final answer
    x = 2,745,232.30

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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.