Home / 6,361,578.76-8,778,323.28-3,782,761.24

Finding the Fourth Proportional to 6,361,578.76, 8,778,323.28 and 3,782,761.24

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Solution

The fourth proportional to 6,361,578.76, 8,778,323.28 and 3,782,761.24 is: 5,219,820.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361,578.76 : 8,778,323.28 = 3,782,761.24 : x
  2. Step 2: Convert to fraction form
    6,361,578.76/8,778,323.28 = 3,782,761.24/x
  3. Step 3: Cross multiply
    6,361,578.76x = 8,778,323.28 × 3,782,761.24
  4. Step 4: Simplify right side
    6,361,578.76x = 33,206,301,055,773.67
  5. Step 5: Solve for x
    x = 33,206,301,055,773.67/6,361,578.76
  6. Step 6: Final answer
    x = 5,219,820.79

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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.