Home / 1,976,941.45-2,728,149.65-1,117,471.51

Finding the Fourth Proportional to 1,976,941.45, 2,728,149.65 and 1,117,471.51

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Solution

The fourth proportional to 1,976,941.45, 2,728,149.65 and 1,117,471.51 is: 1,542,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,941.45 : 2,728,149.65 = 1,117,471.51 : x
  2. Step 2: Convert to fraction form
    1,976,941.45/2,728,149.65 = 1,117,471.51/x
  3. Step 3: Cross multiply
    1,976,941.45x = 2,728,149.65 × 1,117,471.51
  4. Step 4: Simplify right side
    1,976,941.45x = 3,048,629,500,674.26
  5. Step 5: Solve for x
    x = 3,048,629,500,674.26/1,976,941.45
  6. Step 6: Final answer
    x = 1,542,093.98

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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.