Home / 1,915,048.58-2,642,766.39-1,055,623.19

Finding the Fourth Proportional to 1,915,048.58, 2,642,766.39 and 1,055,623.19

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Solution

The fourth proportional to 1,915,048.58, 2,642,766.39 and 1,055,623.19 is: 1,456,759.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,048.58 : 2,642,766.39 = 1,055,623.19 : x
  2. Step 2: Convert to fraction form
    1,915,048.58/2,642,766.39 = 1,055,623.19/x
  3. Step 3: Cross multiply
    1,915,048.58x = 2,642,766.39 × 1,055,623.19
  4. Step 4: Simplify right side
    1,915,048.58x = 2,789,765,487,036.58
  5. Step 5: Solve for x
    x = 2,789,765,487,036.58/1,915,048.58
  6. Step 6: Final answer
    x = 1,456,759.64

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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.