Home / 3,838,784.78-5,297,523.21-2,120,016.01

Finding the Fourth Proportional to 3,838,784.78, 5,297,523.21 and 2,120,016.01

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Solution

The fourth proportional to 3,838,784.78, 5,297,523.21 and 2,120,016.01 is: 2,925,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838,784.78 : 5,297,523.21 = 2,120,016.01 : x
  2. Step 2: Convert to fraction form
    3,838,784.78/5,297,523.21 = 2,120,016.01/x
  3. Step 3: Cross multiply
    3,838,784.78x = 5,297,523.21 × 2,120,016.01
  4. Step 4: Simplify right side
    3,838,784.78x = 11,230,834,018,546.59
  5. Step 5: Solve for x
    x = 11,230,834,018,546.59/3,838,784.78
  6. Step 6: Final answer
    x = 2,925,622.21

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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.