Home / 1,545,842.68-2,131,301.36-1,104,843.58

Finding the Fourth Proportional to 1,545,842.68, 2,131,301.36 and 1,104,843.58

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Solution

The fourth proportional to 1,545,842.68, 2,131,301.36 and 1,104,843.58 is: 1,523,282.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,842.68 : 2,131,301.36 = 1,104,843.58 : x
  2. Step 2: Convert to fraction form
    1,545,842.68/2,131,301.36 = 1,104,843.58/x
  3. Step 3: Cross multiply
    1,545,842.68x = 2,131,301.36 × 1,104,843.58
  4. Step 4: Simplify right side
    1,545,842.68x = 2,354,754,622,075.12
  5. Step 5: Solve for x
    x = 2,354,754,622,075.12/1,545,842.68
  6. Step 6: Final answer
    x = 1,523,282.19

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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.