Home / 2,187,715.77-3,288,761.01-2,029,700.90

Finding the Fourth Proportional to 2,187,715.77, 3,288,761.01 and 2,029,700.90

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Solution

The fourth proportional to 2,187,715.77, 3,288,761.01 and 2,029,700.90 is: 3,051,219.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,715.77 : 3,288,761.01 = 2,029,700.90 : x
  2. Step 2: Convert to fraction form
    2,187,715.77/3,288,761.01 = 2,029,700.90/x
  3. Step 3: Cross multiply
    2,187,715.77x = 3,288,761.01 × 2,029,700.90
  4. Step 4: Simplify right side
    2,187,715.77x = 6,675,201,190,103.81
  5. Step 5: Solve for x
    x = 6,675,201,190,103.81/2,187,715.77
  6. Step 6: Final answer
    x = 3,051,219.58

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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.