Home / 3,782,814.64-5,222,210.54-2,921,441.20

Finding the Fourth Proportional to 3,782,814.64, 5,222,210.54 and 2,921,441.20

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Solution

The fourth proportional to 3,782,814.64, 5,222,210.54 and 2,921,441.20 is: 4,033,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782,814.64 : 5,222,210.54 = 2,921,441.20 : x
  2. Step 2: Convert to fraction form
    3,782,814.64/5,222,210.54 = 2,921,441.20/x
  3. Step 3: Cross multiply
    3,782,814.64x = 5,222,210.54 × 2,921,441.20
  4. Step 4: Simplify right side
    3,782,814.64x = 15,256,381,026,630.25
  5. Step 5: Solve for x
    x = 15,256,381,026,630.25/3,782,814.64
  6. Step 6: Final answer
    x = 4,033,076.55

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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.