Home / 2,909,178.88-4,364,455.18-914,634.88

Finding the Fourth Proportional to 2,909,178.88, 4,364,455.18 and 914,634.88

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Solution

The fourth proportional to 2,909,178.88, 4,364,455.18 and 914,634.88 is: 1,372,168.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,178.88 : 4,364,455.18 = 914,634.88 : x
  2. Step 2: Convert to fraction form
    2,909,178.88/4,364,455.18 = 914,634.88/x
  3. Step 3: Cross multiply
    2,909,178.88x = 4,364,455.18 × 914,634.88
  4. Step 4: Simplify right side
    2,909,178.88x = 3,991,882,939,824.68
  5. Step 5: Solve for x
    x = 3,991,882,939,824.68/2,909,178.88
  6. Step 6: Final answer
    x = 1,372,168.27

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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.