Home / 1,586,020.03-2,188,709.82-860,867.89

Finding the Fourth Proportional to 1,586,020.03, 2,188,709.82 and 860,867.89

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Solution

The fourth proportional to 1,586,020.03, 2,188,709.82 and 860,867.89 is: 1,187,998.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,020.03 : 2,188,709.82 = 860,867.89 : x
  2. Step 2: Convert to fraction form
    1,586,020.03/2,188,709.82 = 860,867.89/x
  3. Step 3: Cross multiply
    1,586,020.03x = 2,188,709.82 × 860,867.89
  4. Step 4: Simplify right side
    1,586,020.03x = 1,884,189,999,093.91
  5. Step 5: Solve for x
    x = 1,884,189,999,093.91/1,586,020.03
  6. Step 6: Final answer
    x = 1,187,998.87

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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.