Home / 5,132,405.72-7,082,467.48-2,927,355.68

Finding the Fourth Proportional to 5,132,405.72, 7,082,467.48 and 2,927,355.68

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Solution

The fourth proportional to 5,132,405.72, 7,082,467.48 and 2,927,355.68 is: 4,039,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132,405.72 : 7,082,467.48 = 2,927,355.68 : x
  2. Step 2: Convert to fraction form
    5,132,405.72/7,082,467.48 = 2,927,355.68/x
  3. Step 3: Cross multiply
    5,132,405.72x = 7,082,467.48 × 2,927,355.68
  4. Step 4: Simplify right side
    5,132,405.72x = 20,732,901,405,993.29
  5. Step 5: Solve for x
    x = 20,732,901,405,993.29/5,132,405.72
  6. Step 6: Final answer
    x = 4,039,606.87

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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.