Home / 1,921,118.22-2,651,071.68-1,105,448.04

Finding the Fourth Proportional to 1,921,118.22, 2,651,071.68 and 1,105,448.04

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Solution

The fourth proportional to 1,921,118.22, 2,651,071.68 and 1,105,448.04 is: 1,525,477.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,118.22 : 2,651,071.68 = 1,105,448.04 : x
  2. Step 2: Convert to fraction form
    1,921,118.22/2,651,071.68 = 1,105,448.04/x
  3. Step 3: Cross multiply
    1,921,118.22x = 2,651,071.68 × 1,105,448.04
  4. Step 4: Simplify right side
    1,921,118.22x = 2,930,621,992,555.51
  5. Step 5: Solve for x
    x = 2,930,621,992,555.51/1,921,118.22
  6. Step 6: Final answer
    x = 1,525,477.17

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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.