Home / 1,915,050.94-2,642,769.64-1,055,625.56

Finding the Fourth Proportional to 1,915,050.94, 2,642,769.64 and 1,055,625.56

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Solution

The fourth proportional to 1,915,050.94, 2,642,769.64 and 1,055,625.56 is: 1,456,762.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,050.94 : 2,642,769.64 = 1,055,625.56 : x
  2. Step 2: Convert to fraction form
    1,915,050.94/2,642,769.64 = 1,055,625.56/x
  3. Step 3: Cross multiply
    1,915,050.94x = 2,642,769.64 × 1,055,625.56
  4. Step 4: Simplify right side
    1,915,050.94x = 2,789,775,181,176.00
  5. Step 5: Solve for x
    x = 2,789,775,181,176.00/1,915,050.94
  6. Step 6: Final answer
    x = 1,456,762.91

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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.