Home / 2,783,496.11-3,841,162.17-1,621,869.98

Finding the Fourth Proportional to 2,783,496.11, 3,841,162.17 and 1,621,869.98

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Solution

The fourth proportional to 2,783,496.11, 3,841,162.17 and 1,621,869.98 is: 2,238,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,496.11 : 3,841,162.17 = 1,621,869.98 : x
  2. Step 2: Convert to fraction form
    2,783,496.11/3,841,162.17 = 1,621,869.98/x
  3. Step 3: Cross multiply
    2,783,496.11x = 3,841,162.17 × 1,621,869.98
  4. Step 4: Simplify right side
    2,783,496.11x = 6,229,865,611,834.66
  5. Step 5: Solve for x
    x = 6,229,865,611,834.66/2,783,496.11
  6. Step 6: Final answer
    x = 2,238,144.18

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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.