Home / 5,189,858.78-7,786,208.52-2,496,437.06

Finding the Fourth Proportional to 5,189,858.78, 7,786,208.52 and 2,496,437.06

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Solution

The fourth proportional to 5,189,858.78, 7,786,208.52 and 2,496,437.06 is: 3,745,338.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,858.78 : 7,786,208.52 = 2,496,437.06 : x
  2. Step 2: Convert to fraction form
    5,189,858.78/7,786,208.52 = 2,496,437.06/x
  3. Step 3: Cross multiply
    5,189,858.78x = 7,786,208.52 × 2,496,437.06
  4. Step 4: Simplify right side
    5,189,858.78x = 19,437,779,467,284.71
  5. Step 5: Solve for x
    x = 19,437,779,467,284.71/5,189,858.78
  6. Step 6: Final answer
    x = 3,745,338.81

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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.