Home / 2,916,865.78-4,024,793.52-1,627,703.09

Finding the Fourth Proportional to 2,916,865.78, 4,024,793.52 and 1,627,703.09

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Solution

The fourth proportional to 2,916,865.78, 4,024,793.52 and 1,627,703.09 is: 2,245,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,865.78 : 4,024,793.52 = 1,627,703.09 : x
  2. Step 2: Convert to fraction form
    2,916,865.78/4,024,793.52 = 1,627,703.09/x
  3. Step 3: Cross multiply
    2,916,865.78x = 4,024,793.52 × 1,627,703.09
  4. Step 4: Simplify right side
    2,916,865.78x = 6,551,168,849,115.98
  5. Step 5: Solve for x
    x = 6,551,168,849,115.98/2,916,865.78
  6. Step 6: Final answer
    x = 2,245,961.71

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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.