Home / 2,545,286.37-3,512,404.85-1,399,357.77

Finding the Fourth Proportional to 2,545,286.37, 3,512,404.85 and 1,399,357.77

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Solution

The fourth proportional to 2,545,286.37, 3,512,404.85 and 1,399,357.77 is: 1,931,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,286.37 : 3,512,404.85 = 1,399,357.77 : x
  2. Step 2: Convert to fraction form
    2,545,286.37/3,512,404.85 = 1,399,357.77/x
  3. Step 3: Cross multiply
    2,545,286.37x = 3,512,404.85 × 1,399,357.77
  4. Step 4: Simplify right side
    2,545,286.37x = 4,915,111,018,233.18
  5. Step 5: Solve for x
    x = 4,915,111,018,233.18/2,545,286.37
  6. Step 6: Final answer
    x = 1,931,064.05

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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.