Home / 3,944,563.21-5,443,582.20-2,178,456.02

Finding the Fourth Proportional to 3,944,563.21, 5,443,582.20 and 2,178,456.02

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Solution

The fourth proportional to 3,944,563.21, 5,443,582.20 and 2,178,456.02 is: 3,006,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944,563.21 : 5,443,582.20 = 2,178,456.02 : x
  2. Step 2: Convert to fraction form
    3,944,563.21/5,443,582.20 = 2,178,456.02/x
  3. Step 3: Cross multiply
    3,944,563.21x = 5,443,582.20 × 2,178,456.02
  4. Step 4: Simplify right side
    3,944,563.21x = 11,858,604,386,736.93
  5. Step 5: Solve for x
    x = 11,858,604,386,736.93/3,944,563.21
  6. Step 6: Final answer
    x = 3,006,316.23

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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.