Home / 2,172,957.45-3,260,602.58-910,912.65

Finding the Fourth Proportional to 2,172,957.45, 3,260,602.58 and 910,912.65

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Solution

The fourth proportional to 2,172,957.45, 3,260,602.58 and 910,912.65 is: 1,366,857.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,957.45 : 3,260,602.58 = 910,912.65 : x
  2. Step 2: Convert to fraction form
    2,172,957.45/3,260,602.58 = 910,912.65/x
  3. Step 3: Cross multiply
    2,172,957.45x = 3,260,602.58 × 910,912.65
  4. Step 4: Simplify right side
    2,172,957.45x = 2,970,124,132,190.07
  5. Step 5: Solve for x
    x = 2,970,124,132,190.07/2,172,957.45
  6. Step 6: Final answer
    x = 1,366,857.93

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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.