Home / 2,652,114.30-3,978,171.45-879,186.30

Finding the Fourth Proportional to 2,652,114.30, 3,978,171.45 and 879,186.30

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Solution

The fourth proportional to 2,652,114.30, 3,978,171.45 and 879,186.30 is: 1,318,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,114.30 : 3,978,171.45 = 879,186.30 : x
  2. Step 2: Convert to fraction form
    2,652,114.30/3,978,171.45 = 879,186.30/x
  3. Step 3: Cross multiply
    2,652,114.30x = 3,978,171.45 × 879,186.30
  4. Step 4: Simplify right side
    2,652,114.30x = 3,497,553,837,891.14
  5. Step 5: Solve for x
    x = 3,497,553,837,891.14/2,652,114.30
  6. Step 6: Final answer
    x = 1,318,779.45

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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.