Home / 1,910,021.62-2,864,720.96-561,868.86

Finding the Fourth Proportional to 1,910,021.62, 2,864,720.96 and 561,868.86

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Solution

The fourth proportional to 1,910,021.62, 2,864,720.96 and 561,868.86 is: 842,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,021.62 : 2,864,720.96 = 561,868.86 : x
  2. Step 2: Convert to fraction form
    1,910,021.62/2,864,720.96 = 561,868.86/x
  3. Step 3: Cross multiply
    1,910,021.62x = 2,864,720.96 × 561,868.86
  4. Step 4: Simplify right side
    1,910,021.62x = 1,609,597,500,013.31
  5. Step 5: Solve for x
    x = 1,609,597,500,013.31/1,910,021.62
  6. Step 6: Final answer
    x = 842,711.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.