Home / 1,983,180.76-2,736,818.94-1,077,763.48

Finding the Fourth Proportional to 1,983,180.76, 2,736,818.94 and 1,077,763.48

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Solution

The fourth proportional to 1,983,180.76, 2,736,818.94 and 1,077,763.48 is: 1,487,329.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,180.76 : 2,736,818.94 = 1,077,763.48 : x
  2. Step 2: Convert to fraction form
    1,983,180.76/2,736,818.94 = 1,077,763.48/x
  3. Step 3: Cross multiply
    1,983,180.76x = 2,736,818.94 × 1,077,763.48
  4. Step 4: Simplify right side
    1,983,180.76x = 2,949,643,504,904.31
  5. Step 5: Solve for x
    x = 2,949,643,504,904.31/1,983,180.76
  6. Step 6: Final answer
    x = 1,487,329.63

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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.