Home / 2,195,787.63-3,030,186.46-1,228,917.86

Finding the Fourth Proportional to 2,195,787.63, 3,030,186.46 and 1,228,917.86

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Solution

The fourth proportional to 2,195,787.63, 3,030,186.46 and 1,228,917.86 is: 1,695,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,787.63 : 3,030,186.46 = 1,228,917.86 : x
  2. Step 2: Convert to fraction form
    2,195,787.63/3,030,186.46 = 1,228,917.86/x
  3. Step 3: Cross multiply
    2,195,787.63x = 3,030,186.46 × 1,228,917.86
  4. Step 4: Simplify right side
    2,195,787.63x = 3,723,850,259,824.18
  5. Step 5: Solve for x
    x = 3,723,850,259,824.18/2,195,787.63
  6. Step 6: Final answer
    x = 1,695,906.38

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1.5x scale

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.