Home / 5,420,338.10-7,480,077.38-2,972,969.27

Finding the Fourth Proportional to 5,420,338.10, 7,480,077.38 and 2,972,969.27

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Solution

The fourth proportional to 5,420,338.10, 7,480,077.38 and 2,972,969.27 is: 4,102,703.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,338.10 : 7,480,077.38 = 2,972,969.27 : x
  2. Step 2: Convert to fraction form
    5,420,338.10/7,480,077.38 = 2,972,969.27/x
  3. Step 3: Cross multiply
    5,420,338.10x = 7,480,077.38 × 2,972,969.27
  4. Step 4: Simplify right side
    5,420,338.10x = 22,238,040,233,694.19
  5. Step 5: Solve for x
    x = 22,238,040,233,694.19/5,420,338.10
  6. Step 6: Final answer
    x = 4,102,703.52

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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.