Home / 2,229,057.07-3,076,046.70-1,311,345.30

Finding the Fourth Proportional to 2,229,057.07, 3,076,046.70 and 1,311,345.30

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Solution

The fourth proportional to 2,229,057.07, 3,076,046.70 and 1,311,345.30 is: 1,809,625.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229,057.07 : 3,076,046.70 = 1,311,345.30 : x
  2. Step 2: Convert to fraction form
    2,229,057.07/3,076,046.70 = 1,311,345.30/x
  3. Step 3: Cross multiply
    2,229,057.07x = 3,076,046.70 × 1,311,345.30
  4. Step 4: Simplify right side
    2,229,057.07x = 4,033,759,382,625.51
  5. Step 5: Solve for x
    x = 4,033,759,382,625.51/2,229,057.07
  6. Step 6: Final answer
    x = 1,809,625.89

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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.