Home / 3,858,219.54-5,324,582.28-2,139,340.02

Finding the Fourth Proportional to 3,858,219.54, 5,324,582.28 and 2,139,340.02

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Solution

The fourth proportional to 3,858,219.54, 5,324,582.28 and 2,139,340.02 is: 2,952,421.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858,219.54 : 5,324,582.28 = 2,139,340.02 : x
  2. Step 2: Convert to fraction form
    3,858,219.54/5,324,582.28 = 2,139,340.02/x
  3. Step 3: Cross multiply
    3,858,219.54x = 5,324,582.28 × 2,139,340.02
  4. Step 4: Simplify right side
    3,858,219.54x = 11,391,091,961,386.85
  5. Step 5: Solve for x
    x = 11,391,091,961,386.85/3,858,219.54
  6. Step 6: Final answer
    x = 2,952,421.93

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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.