Home / 2,271,838.16-3,134,577.48-1,388,563.76

Finding the Fourth Proportional to 2,271,838.16, 3,134,577.48 and 1,388,563.76

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Solution

The fourth proportional to 2,271,838.16, 3,134,577.48 and 1,388,563.76 is: 1,915,876.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271,838.16 : 3,134,577.48 = 1,388,563.76 : x
  2. Step 2: Convert to fraction form
    2,271,838.16/3,134,577.48 = 1,388,563.76/x
  3. Step 3: Cross multiply
    2,271,838.16x = 3,134,577.48 × 1,388,563.76
  4. Step 4: Simplify right side
    2,271,838.16x = 4,352,560,691,640.13
  5. Step 5: Solve for x
    x = 4,352,560,691,640.13/2,271,838.16
  6. Step 6: Final answer
    x = 1,915,876.21

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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.