Home / 2,172,938.45-3,262,607.07-1,215,270.29

Finding the Fourth Proportional to 2,172,938.45, 3,262,607.07 and 1,215,270.29

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Solution

The fourth proportional to 2,172,938.45, 3,262,607.07 and 1,215,270.29 is: 1,824,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,938.45 : 3,262,607.07 = 1,215,270.29 : x
  2. Step 2: Convert to fraction form
    2,172,938.45/3,262,607.07 = 1,215,270.29/x
  3. Step 3: Cross multiply
    2,172,938.45x = 3,262,607.07 × 1,215,270.29
  4. Step 4: Simplify right side
    2,172,938.45x = 3,964,949,423,801.91
  5. Step 5: Solve for x
    x = 3,964,949,423,801.91/2,172,938.45
  6. Step 6: Final answer
    x = 1,824,694.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.