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Finding the Fourth Proportional to 1,996,866.02, 2,755,676.49 and 1,091,448.02

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Solution

The fourth proportional to 1,996,866.02, 2,755,676.49 and 1,091,448.02 is: 1,506,199.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,866.02 : 2,755,676.49 = 1,091,448.02 : x
  2. Step 2: Convert to fraction form
    1,996,866.02/2,755,676.49 = 1,091,448.02/x
  3. Step 3: Cross multiply
    1,996,866.02x = 2,755,676.49 × 1,091,448.02
  4. Step 4: Simplify right side
    1,996,866.02x = 3,007,677,648,771.05
  5. Step 5: Solve for x
    x = 3,007,677,648,771.05/1,996,866.02
  6. Step 6: Final answer
    x = 1,506,199.02

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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.