Home / 3,874,779.96-5,812,241.26-1,686,128.82

Finding the Fourth Proportional to 3,874,779.96, 5,812,241.26 and 1,686,128.82

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Solution

The fourth proportional to 3,874,779.96, 5,812,241.26 and 1,686,128.82 is: 2,529,224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874,779.96 : 5,812,241.26 = 1,686,128.82 : x
  2. Step 2: Convert to fraction form
    3,874,779.96/5,812,241.26 = 1,686,128.82/x
  3. Step 3: Cross multiply
    3,874,779.96x = 5,812,241.26 × 1,686,128.82
  4. Step 4: Simplify right side
    3,874,779.96x = 9,800,187,497,279.11
  5. Step 5: Solve for x
    x = 9,800,187,497,279.11/3,874,779.96
  6. Step 6: Final answer
    x = 2,529,224.27

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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.