Home / 6,475,779.70-8,940,609.06-4,122,305.36

Finding the Fourth Proportional to 6,475,779.70, 8,940,609.06 and 4,122,305.36

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Solution

The fourth proportional to 6,475,779.70, 8,940,609.06 and 4,122,305.36 is: 5,691,348.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475,779.70 : 8,940,609.06 = 4,122,305.36 : x
  2. Step 2: Convert to fraction form
    6,475,779.70/8,940,609.06 = 4,122,305.36/x
  3. Step 3: Cross multiply
    6,475,779.70x = 8,940,609.06 × 4,122,305.36
  4. Step 4: Simplify right side
    6,475,779.70x = 36,855,920,682,995.57
  5. Step 5: Solve for x
    x = 36,855,920,682,995.57/6,475,779.70
  6. Step 6: Final answer
    x = 5,691,348.75

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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.