Home / 2,271,849.36-3,134,592.64-1,388,574.76

Finding the Fourth Proportional to 2,271,849.36, 3,134,592.64 and 1,388,574.76

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Solution

The fourth proportional to 2,271,849.36, 3,134,592.64 and 1,388,574.76 is: 1,915,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271,849.36 : 3,134,592.64 = 1,388,574.76 : x
  2. Step 2: Convert to fraction form
    2,271,849.36/3,134,592.64 = 1,388,574.76/x
  3. Step 3: Cross multiply
    2,271,849.36x = 3,134,592.64 × 1,388,574.76
  4. Step 4: Simplify right side
    2,271,849.36x = 4,352,616,222,785.77
  5. Step 5: Solve for x
    x = 4,352,616,222,785.77/2,271,849.36
  6. Step 6: Final answer
    x = 1,915,891.21

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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.