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Finding the Fourth Proportional to 1,917,604.04, 2,876,505.18 and 1,820,637.04

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Solution

The fourth proportional to 1,917,604.04, 2,876,505.18 and 1,820,637.04 is: 2,731,049.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,604.04 : 2,876,505.18 = 1,820,637.04 : x
  2. Step 2: Convert to fraction form
    1,917,604.04/2,876,505.18 = 1,820,637.04/x
  3. Step 3: Cross multiply
    1,917,604.04x = 2,876,505.18 × 1,820,637.04
  4. Step 4: Simplify right side
    1,917,604.04x = 5,237,071,876,459.87
  5. Step 5: Solve for x
    x = 5,237,071,876,459.87/1,917,604.04
  6. Step 6: Final answer
    x = 2,731,049.67

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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.