Home / 3,188,379.76-4,782,574.77-970,111.87

Finding the Fourth Proportional to 3,188,379.76, 4,782,574.77 and 970,111.87

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Solution

The fourth proportional to 3,188,379.76, 4,782,574.77 and 970,111.87 is: 1,455,169.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,379.76 : 4,782,574.77 = 970,111.87 : x
  2. Step 2: Convert to fraction form
    3,188,379.76/4,782,574.77 = 970,111.87/x
  3. Step 3: Cross multiply
    3,188,379.76x = 4,782,574.77 × 970,111.87
  4. Step 4: Simplify right side
    3,188,379.76x = 4,639,632,553,539.52
  5. Step 5: Solve for x
    x = 4,639,632,553,539.52/3,188,379.76
  6. Step 6: Final answer
    x = 1,455,169.37

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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.