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Finding the Fourth Proportional to 3,603,297.29, 4,972,401.81 and 2,153,791.94

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Solution

The fourth proportional to 3,603,297.29, 4,972,401.81 and 2,153,791.94 is: 2,972,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603,297.29 : 4,972,401.81 = 2,153,791.94 : x
  2. Step 2: Convert to fraction form
    3,603,297.29/4,972,401.81 = 2,153,791.94/x
  3. Step 3: Cross multiply
    3,603,297.29x = 4,972,401.81 × 2,153,791.94
  4. Step 4: Simplify right side
    3,603,297.29x = 10,709,518,915,957.40
  5. Step 5: Solve for x
    x = 10,709,518,915,957.40/3,603,297.29
  6. Step 6: Final answer
    x = 2,972,144.14

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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.