Home / 3,970,579.16-5,479,885.68-2,338,902.20

Finding the Fourth Proportional to 3,970,579.16, 5,479,885.68 and 2,338,902.20

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Solution

The fourth proportional to 3,970,579.16, 5,479,885.68 and 2,338,902.20 is: 3,227,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970,579.16 : 5,479,885.68 = 2,338,902.20 : x
  2. Step 2: Convert to fraction form
    3,970,579.16/5,479,885.68 = 2,338,902.20/x
  3. Step 3: Cross multiply
    3,970,579.16x = 5,479,885.68 × 2,338,902.20
  4. Step 4: Simplify right side
    3,970,579.16x = 12,816,916,672,700.50
  5. Step 5: Solve for x
    x = 12,816,916,672,700.50/3,970,579.16
  6. Step 6: Final answer
    x = 3,227,971.58

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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.