Home / 3,934,201.86-5,429,715.94-2,215,658.34

Finding the Fourth Proportional to 3,934,201.86, 5,429,715.94 and 2,215,658.34

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Solution

The fourth proportional to 3,934,201.86, 5,429,715.94 and 2,215,658.34 is: 3,057,899.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934,201.86 : 5,429,715.94 = 2,215,658.34 : x
  2. Step 2: Convert to fraction form
    3,934,201.86/5,429,715.94 = 2,215,658.34/x
  3. Step 3: Cross multiply
    3,934,201.86x = 5,429,715.94 × 2,215,658.34
  4. Step 4: Simplify right side
    3,934,201.86x = 12,030,395,406,291.94
  5. Step 5: Solve for x
    x = 12,030,395,406,291.94/3,934,201.86
  6. Step 6: Final answer
    x = 3,057,899.88

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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.