Home / 2,557,650.11-3,529,557.45-1,411,730.78

Finding the Fourth Proportional to 2,557,650.11, 3,529,557.45 and 1,411,730.78

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Solution

The fourth proportional to 2,557,650.11, 3,529,557.45 and 1,411,730.78 is: 1,948,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557,650.11 : 3,529,557.45 = 1,411,730.78 : x
  2. Step 2: Convert to fraction form
    2,557,650.11/3,529,557.45 = 1,411,730.78/x
  3. Step 3: Cross multiply
    2,557,650.11x = 3,529,557.45 × 1,411,730.78
  4. Step 4: Simplify right side
    2,557,650.11x = 4,982,784,874,295.52
  5. Step 5: Solve for x
    x = 4,982,784,874,295.52/2,557,650.11
  6. Step 6: Final answer
    x = 1,948,188.64

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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.