Home / 5,244,779.24-7,238,128.74-3,179,992.40

Finding the Fourth Proportional to 5,244,779.24, 7,238,128.74 and 3,179,992.40

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Solution

The fourth proportional to 5,244,779.24, 7,238,128.74 and 3,179,992.40 is: 4,388,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244,779.24 : 7,238,128.74 = 3,179,992.40 : x
  2. Step 2: Convert to fraction form
    5,244,779.24/7,238,128.74 = 3,179,992.40/x
  3. Step 3: Cross multiply
    5,244,779.24x = 7,238,128.74 × 3,179,992.40
  4. Step 4: Simplify right side
    5,244,779.24x = 23,017,194,383,421.57
  5. Step 5: Solve for x
    x = 23,017,194,383,421.57/5,244,779.24
  6. Step 6: Final answer
    x = 4,388,591.65

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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.