Home / 2,672,902.89-3,685,037.55-2,123,441.72

Finding the Fourth Proportional to 2,672,902.89, 3,685,037.55 and 2,123,441.72

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Solution

The fourth proportional to 2,672,902.89, 3,685,037.55 and 2,123,441.72 is: 2,927,514.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,902.89 : 3,685,037.55 = 2,123,441.72 : x
  2. Step 2: Convert to fraction form
    2,672,902.89/3,685,037.55 = 2,123,441.72/x
  3. Step 3: Cross multiply
    2,672,902.89x = 3,685,037.55 × 2,123,441.72
  4. Step 4: Simplify right side
    2,672,902.89x = 7,824,962,473,436.59
  5. Step 5: Solve for x
    x = 7,824,962,473,436.59/2,672,902.89
  6. Step 6: Final answer
    x = 2,927,514.69

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Double scale
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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.