Home / 3,933,622.13-5,428,565.98-2,191,289.42

Finding the Fourth Proportional to 3,933,622.13, 5,428,565.98 and 2,191,289.42

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Solution

The fourth proportional to 3,933,622.13, 5,428,565.98 and 2,191,289.42 is: 3,024,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933,622.13 : 5,428,565.98 = 2,191,289.42 : x
  2. Step 2: Convert to fraction form
    3,933,622.13/5,428,565.98 = 2,191,289.42/x
  3. Step 3: Cross multiply
    3,933,622.13x = 5,428,565.98 × 2,191,289.42
  4. Step 4: Simplify right side
    3,933,622.13x = 11,895,559,165,124.88
  5. Step 5: Solve for x
    x = 11,895,559,165,124.88/3,933,622.13
  6. Step 6: Final answer
    x = 3,024,072.67

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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.