Home / 1,976,940.76-2,728,148.70-1,117,470.82

Finding the Fourth Proportional to 1,976,940.76, 2,728,148.70 and 1,117,470.82

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Solution

The fourth proportional to 1,976,940.76, 2,728,148.70 and 1,117,470.82 is: 1,542,093.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,940.76 : 2,728,148.70 = 1,117,470.82 : x
  2. Step 2: Convert to fraction form
    1,976,940.76/2,728,148.70 = 1,117,470.82/x
  3. Step 3: Cross multiply
    1,976,940.76x = 2,728,148.70 × 1,117,470.82
  4. Step 4: Simplify right side
    1,976,940.76x = 3,048,626,564,870.93
  5. Step 5: Solve for x
    x = 3,048,626,564,870.93/1,976,940.76
  6. Step 6: Final answer
    x = 1,542,093.03

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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.