Home / 2,271,839.16-3,134,578.86-1,388,564.76

Finding the Fourth Proportional to 2,271,839.16, 3,134,578.86 and 1,388,564.76

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Solution

The fourth proportional to 2,271,839.16, 3,134,578.86 and 1,388,564.76 is: 1,915,877.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271,839.16 : 3,134,578.86 = 1,388,564.76 : x
  2. Step 2: Convert to fraction form
    2,271,839.16/3,134,578.86 = 1,388,564.76/x
  3. Step 3: Cross multiply
    2,271,839.16x = 3,134,578.86 × 1,388,564.76
  4. Step 4: Simplify right side
    2,271,839.16x = 4,352,565,742,436.97
  5. Step 5: Solve for x
    x = 4,352,565,742,436.97/2,271,839.16
  6. Step 6: Final answer
    x = 1,915,877.59

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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.