Home / 3,893,554.86-5,373,074.12-2,151,218.82

Finding the Fourth Proportional to 3,893,554.86, 5,373,074.12 and 2,151,218.82

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Solution

The fourth proportional to 3,893,554.86, 5,373,074.12 and 2,151,218.82 is: 2,968,664.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893,554.86 : 5,373,074.12 = 2,151,218.82 : x
  2. Step 2: Convert to fraction form
    3,893,554.86/5,373,074.12 = 2,151,218.82/x
  3. Step 3: Cross multiply
    3,893,554.86x = 5,373,074.12 × 2,151,218.82
  4. Step 4: Simplify right side
    3,893,554.86x = 11,558,658,146,711.61
  5. Step 5: Solve for x
    x = 11,558,658,146,711.61/3,893,554.86
  6. Step 6: Final answer
    x = 2,968,664.51

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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.