Home / 1,922,959.20-2,654,500.78-1,198,165.02

Finding the Fourth Proportional to 1,922,959.20, 2,654,500.78 and 1,198,165.02

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Solution

The fourth proportional to 1,922,959.20, 2,654,500.78 and 1,198,165.02 is: 1,653,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922,959.20 : 2,654,500.78 = 1,198,165.02 : x
  2. Step 2: Convert to fraction form
    1,922,959.20/2,654,500.78 = 1,198,165.02/x
  3. Step 3: Cross multiply
    1,922,959.20x = 2,654,500.78 × 1,198,165.02
  4. Step 4: Simplify right side
    1,922,959.20x = 3,180,529,980,158.72
  5. Step 5: Solve for x
    x = 3,180,529,980,158.72/1,922,959.20
  6. Step 6: Final answer
    x = 1,653,976.84

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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.