Home / 5,745,362.72-7,928,536.01-3,131,809.56

Finding the Fourth Proportional to 5,745,362.72, 7,928,536.01 and 3,131,809.56

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Solution

The fourth proportional to 5,745,362.72, 7,928,536.01 and 3,131,809.56 is: 4,321,862.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745,362.72 : 7,928,536.01 = 3,131,809.56 : x
  2. Step 2: Convert to fraction form
    5,745,362.72/7,928,536.01 = 3,131,809.56/x
  3. Step 3: Cross multiply
    5,745,362.72x = 7,928,536.01 × 3,131,809.56
  4. Step 4: Simplify right side
    5,745,362.72x = 24,830,664,857,263.21
  5. Step 5: Solve for x
    x = 24,830,664,857,263.21/5,745,362.72
  6. Step 6: Final answer
    x = 4,321,862.01

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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.