Home / 1,586,007.86-2,188,693.08-860,855.73

Finding the Fourth Proportional to 1,586,007.86, 2,188,693.08 and 860,855.73

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Solution

The fourth proportional to 1,586,007.86, 2,188,693.08 and 860,855.73 is: 1,187,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,007.86 : 2,188,693.08 = 860,855.73 : x
  2. Step 2: Convert to fraction form
    1,586,007.86/2,188,693.08 = 860,855.73/x
  3. Step 3: Cross multiply
    1,586,007.86x = 2,188,693.08 × 860,855.73
  4. Step 4: Simplify right side
    1,586,007.86x = 1,884,148,979,129.35
  5. Step 5: Solve for x
    x = 1,884,148,979,129.35/1,586,007.86
  6. Step 6: Final answer
    x = 1,187,982.12

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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.