Home / 2,999,076.57-4,138,716.54-1,622,419.86

Finding the Fourth Proportional to 2,999,076.57, 4,138,716.54 and 1,622,419.86

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Solution

The fourth proportional to 2,999,076.57, 4,138,716.54 and 1,622,419.86 is: 2,238,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,076.57 : 4,138,716.54 = 1,622,419.86 : x
  2. Step 2: Convert to fraction form
    2,999,076.57/4,138,716.54 = 1,622,419.86/x
  3. Step 3: Cross multiply
    2,999,076.57x = 4,138,716.54 × 1,622,419.86
  4. Step 4: Simplify right side
    2,999,076.57x = 6,714,735,909,406.49
  5. Step 5: Solve for x
    x = 6,714,735,909,406.49/2,999,076.57
  6. Step 6: Final answer
    x = 2,238,934.47

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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.