Home / 2,672,906.88-3,685,043.08-2,123,445.72

Finding the Fourth Proportional to 2,672,906.88, 3,685,043.08 and 2,123,445.72

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Solution

The fourth proportional to 2,672,906.88, 3,685,043.08 and 2,123,445.72 is: 2,927,520.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,906.88 : 3,685,043.08 = 2,123,445.72 : x
  2. Step 2: Convert to fraction form
    2,672,906.88/3,685,043.08 = 2,123,445.72/x
  3. Step 3: Cross multiply
    2,672,906.88x = 3,685,043.08 × 2,123,445.72
  4. Step 4: Simplify right side
    2,672,906.88x = 7,824,988,956,241.62
  5. Step 5: Solve for x
    x = 7,824,988,956,241.62/2,672,906.88
  6. Step 6: Final answer
    x = 2,927,520.23

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1.5x scale

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.