Home / 6,782,820.64-9,360,290.32-3,727,231.72

Finding the Fourth Proportional to 6,782,820.64, 9,360,290.32 and 3,727,231.72

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Solution

The fourth proportional to 6,782,820.64, 9,360,290.32 and 3,727,231.72 is: 5,143,578.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782,820.64 : 9,360,290.32 = 3,727,231.72 : x
  2. Step 2: Convert to fraction form
    6,782,820.64/9,360,290.32 = 3,727,231.72/x
  3. Step 3: Cross multiply
    6,782,820.64x = 9,360,290.32 × 3,727,231.72
  4. Step 4: Simplify right side
    6,782,820.64x = 34,887,970,989,112.95
  5. Step 5: Solve for x
    x = 34,887,970,989,112.95/6,782,820.64
  6. Step 6: Final answer
    x = 5,143,578.58

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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.