Home / 1,914,633.93-2,642,645.07-1,190,028.89

Finding the Fourth Proportional to 1,914,633.93, 2,642,645.07 and 1,190,028.89

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Solution

The fourth proportional to 1,914,633.93, 2,642,645.07 and 1,190,028.89 is: 1,642,519.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,633.93 : 2,642,645.07 = 1,190,028.89 : x
  2. Step 2: Convert to fraction form
    1,914,633.93/2,642,645.07 = 1,190,028.89/x
  3. Step 3: Cross multiply
    1,914,633.93x = 2,642,645.07 × 1,190,028.89
  4. Step 4: Simplify right side
    1,914,633.93x = 3,144,823,979,316.07
  5. Step 5: Solve for x
    x = 3,144,823,979,316.07/1,914,633.93
  6. Step 6: Final answer
    x = 1,642,519.72

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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.