Home / 5,172,356.70-7,138,412.82-2,849,487.24

Finding the Fourth Proportional to 5,172,356.70, 7,138,412.82 and 2,849,487.24

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Solution

The fourth proportional to 5,172,356.70, 7,138,412.82 and 2,849,487.24 is: 3,932,601.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,356.70 : 7,138,412.82 = 2,849,487.24 : x
  2. Step 2: Convert to fraction form
    5,172,356.70/7,138,412.82 = 2,849,487.24/x
  3. Step 3: Cross multiply
    5,172,356.70x = 7,138,412.82 × 2,849,487.24
  4. Step 4: Simplify right side
    5,172,356.70x = 20,340,816,244,442.42
  5. Step 5: Solve for x
    x = 20,340,816,244,442.42/5,172,356.70
  6. Step 6: Final answer
    x = 3,932,601.22

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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.