Home / 2,909,156.88-4,364,422.20-914,612.88

Finding the Fourth Proportional to 2,909,156.88, 4,364,422.20 and 914,612.88

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Solution

The fourth proportional to 2,909,156.88, 4,364,422.20 and 914,612.88 is: 1,372,135.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,156.88 : 4,364,422.20 = 914,612.88 : x
  2. Step 2: Convert to fraction form
    2,909,156.88/4,364,422.20 = 914,612.88/x
  3. Step 3: Cross multiply
    2,909,156.88x = 4,364,422.20 × 914,612.88
  4. Step 4: Simplify right side
    2,909,156.88x = 3,991,756,757,877.94
  5. Step 5: Solve for x
    x = 3,991,756,757,877.94/2,909,156.88
  6. Step 6: Final answer
    x = 1,372,135.27

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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.