Home / 1,997,464.25-2,756,520.82-1,079,711.17

Finding the Fourth Proportional to 1,997,464.25, 2,756,520.82 and 1,079,711.17

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Solution

The fourth proportional to 1,997,464.25, 2,756,520.82 and 1,079,711.17 is: 1,490,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,464.25 : 2,756,520.82 = 1,079,711.17 : x
  2. Step 2: Convert to fraction form
    1,997,464.25/2,756,520.82 = 1,079,711.17/x
  3. Step 3: Cross multiply
    1,997,464.25x = 2,756,520.82 × 1,079,711.17
  4. Step 4: Simplify right side
    1,997,464.25x = 2,976,246,314,149.90
  5. Step 5: Solve for x
    x = 2,976,246,314,149.90/1,997,464.25
  6. Step 6: Final answer
    x = 1,490,012.30

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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.