Home / 5,147,603.11-7,104,322.27-2,972,142.61

Finding the Fourth Proportional to 5,147,603.11, 7,104,322.27 and 2,972,142.61

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Solution

The fourth proportional to 5,147,603.11, 7,104,322.27 and 2,972,142.61 is: 4,101,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,603.11 : 7,104,322.27 = 2,972,142.61 : x
  2. Step 2: Convert to fraction form
    5,147,603.11/7,104,322.27 = 2,972,142.61/x
  3. Step 3: Cross multiply
    5,147,603.11x = 7,104,322.27 × 2,972,142.61
  4. Step 4: Simplify right side
    5,147,603.11x = 21,115,058,943,104.71
  5. Step 5: Solve for x
    x = 21,115,058,943,104.71/5,147,603.11
  6. Step 6: Final answer
    x = 4,101,920.54

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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.