Home / 2,564,428.07-3,520,379.13-2,201,221.37

Finding the Fourth Proportional to 2,564,428.07, 3,520,379.13 and 2,201,221.37

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Solution

The fourth proportional to 2,564,428.07, 3,520,379.13 and 2,201,221.37 is: 3,021,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564,428.07 : 3,520,379.13 = 2,201,221.37 : x
  2. Step 2: Convert to fraction form
    2,564,428.07/3,520,379.13 = 2,201,221.37/x
  3. Step 3: Cross multiply
    2,564,428.07x = 3,520,379.13 × 2,201,221.37
  4. Step 4: Simplify right side
    2,564,428.07x = 7,749,133,753,856.11
  5. Step 5: Solve for x
    x = 7,749,133,753,856.11/2,564,428.07
  6. Step 6: Final answer
    x = 3,021,778.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.