Home / 1,915,787.52-2,643,537.60-1,100,026.80

Finding the Fourth Proportional to 1,915,787.52, 2,643,537.60 and 1,100,026.80

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Solution

The fourth proportional to 1,915,787.52, 2,643,537.60 and 1,100,026.80 is: 1,517,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,787.52 : 2,643,537.60 = 1,100,026.80 : x
  2. Step 2: Convert to fraction form
    1,915,787.52/2,643,537.60 = 1,100,026.80/x
  3. Step 3: Cross multiply
    1,915,787.52x = 2,643,537.60 × 1,100,026.80
  4. Step 4: Simplify right side
    1,915,787.52x = 2,907,962,206,807.68
  5. Step 5: Solve for x
    x = 2,907,962,206,807.68/1,915,787.52
  6. Step 6: Final answer
    x = 1,517,893.91

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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.