Home / 2,105,080.09-2,904,996.41-1,187,316.81

Finding the Fourth Proportional to 2,105,080.09, 2,904,996.41 and 1,187,316.81

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Solution

The fourth proportional to 2,105,080.09, 2,904,996.41 and 1,187,316.81 is: 1,638,489.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,080.09 : 2,904,996.41 = 1,187,316.81 : x
  2. Step 2: Convert to fraction form
    2,105,080.09/2,904,996.41 = 1,187,316.81/x
  3. Step 3: Cross multiply
    2,105,080.09x = 2,904,996.41 × 1,187,316.81
  4. Step 4: Simplify right side
    2,105,080.09x = 3,449,151,070,582.65
  5. Step 5: Solve for x
    x = 3,449,151,070,582.65/2,105,080.09
  6. Step 6: Final answer
    x = 1,638,489.24

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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.