Home / 3,555,990.45-5,333,999.45-860,311.26

Finding the Fourth Proportional to 3,555,990.45, 5,333,999.45 and 860,311.26

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Solution

The fourth proportional to 3,555,990.45, 5,333,999.45 and 860,311.26 is: 1,290,470.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555,990.45 : 5,333,999.45 = 860,311.26 : x
  2. Step 2: Convert to fraction form
    3,555,990.45/5,333,999.45 = 860,311.26/x
  3. Step 3: Cross multiply
    3,555,990.45x = 5,333,999.45 × 860,311.26
  4. Step 4: Simplify right side
    3,555,990.45x = 4,588,899,783,367.25
  5. Step 5: Solve for x
    x = 4,588,899,783,367.25/3,555,990.45
  6. Step 6: Final answer
    x = 1,290,470.22

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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.