Home / 5,182,399.20-7,151,690.79-2,859,436.31

Finding the Fourth Proportional to 5,182,399.20, 7,151,690.79 and 2,859,436.31

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Solution

The fourth proportional to 5,182,399.20, 7,151,690.79 and 2,859,436.31 is: 3,946,011.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182,399.20 : 7,151,690.79 = 2,859,436.31 : x
  2. Step 2: Convert to fraction form
    5,182,399.20/7,151,690.79 = 2,859,436.31/x
  3. Step 3: Cross multiply
    5,182,399.20x = 7,151,690.79 × 2,859,436.31
  4. Step 4: Simplify right side
    5,182,399.20x = 20,449,804,299,132.09
  5. Step 5: Solve for x
    x = 20,449,804,299,132.09/5,182,399.20
  6. Step 6: Final answer
    x = 3,946,011.01

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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.