Home / 1,851,837.36-2,554,968.66-1,207,022.28

Finding the Fourth Proportional to 1,851,837.36, 2,554,968.66 and 1,207,022.28

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Solution

The fourth proportional to 1,851,837.36, 2,554,968.66 and 1,207,022.28 is: 1,665,321.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,837.36 : 2,554,968.66 = 1,207,022.28 : x
  2. Step 2: Convert to fraction form
    1,851,837.36/2,554,968.66 = 1,207,022.28/x
  3. Step 3: Cross multiply
    1,851,837.36x = 2,554,968.66 × 1,207,022.28
  4. Step 4: Simplify right side
    1,851,837.36x = 3,083,904,097,321.75
  5. Step 5: Solve for x
    x = 3,083,904,097,321.75/1,851,837.36
  6. Step 6: Final answer
    x = 1,665,321.24

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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.