Home / 2,021,830.62-2,785,384.44-1,408,871.03

Finding the Fourth Proportional to 2,021,830.62, 2,785,384.44 and 1,408,871.03

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Solution

The fourth proportional to 2,021,830.62, 2,785,384.44 and 1,408,871.03 is: 1,940,937.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,830.62 : 2,785,384.44 = 1,408,871.03 : x
  2. Step 2: Convert to fraction form
    2,021,830.62/2,785,384.44 = 1,408,871.03/x
  3. Step 3: Cross multiply
    2,021,830.62x = 2,785,384.44 × 1,408,871.03
  4. Step 4: Simplify right side
    2,021,830.62x = 3,924,247,431,001.85
  5. Step 5: Solve for x
    x = 3,924,247,431,001.85/2,021,830.62
  6. Step 6: Final answer
    x = 1,940,937.78

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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.