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Finding the Fourth Proportional to 3,893,262.04, 5,371,921.38 and 2,174,118.04

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Solution

The fourth proportional to 3,893,262.04, 5,371,921.38 and 2,174,118.04 is: 2,999,847.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893,262.04 : 5,371,921.38 = 2,174,118.04 : x
  2. Step 2: Convert to fraction form
    3,893,262.04/5,371,921.38 = 2,174,118.04/x
  3. Step 3: Cross multiply
    3,893,262.04x = 5,371,921.38 × 2,174,118.04
  4. Step 4: Simplify right side
    3,893,262.04x = 11,679,191,181,719.70
  5. Step 5: Solve for x
    x = 11,679,191,181,719.70/3,893,262.04
  6. Step 6: Final answer
    x = 2,999,847.19

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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.