Home / 1,998,156.42-2,757,439.79-1,160,025.78

Finding the Fourth Proportional to 1,998,156.42, 2,757,439.79 and 1,160,025.78

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Solution

The fourth proportional to 1,998,156.42, 2,757,439.79 and 1,160,025.78 is: 1,600,826.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,156.42 : 2,757,439.79 = 1,160,025.78 : x
  2. Step 2: Convert to fraction form
    1,998,156.42/2,757,439.79 = 1,160,025.78/x
  3. Step 3: Cross multiply
    1,998,156.42x = 2,757,439.79 × 1,160,025.78
  4. Step 4: Simplify right side
    1,998,156.42x = 3,198,701,237,397.66
  5. Step 5: Solve for x
    x = 3,198,701,237,397.66/1,998,156.42
  6. Step 6: Final answer
    x = 1,600,826.24

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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.