Home / 1,693,890.91-2,538,593.64-1,242,498.23

Finding the Fourth Proportional to 1,693,890.91, 2,538,593.64 and 1,242,498.23

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Solution

The fourth proportional to 1,693,890.91, 2,538,593.64 and 1,242,498.23 is: 1,862,102.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,890.91 : 2,538,593.64 = 1,242,498.23 : x
  2. Step 2: Convert to fraction form
    1,693,890.91/2,538,593.64 = 1,242,498.23/x
  3. Step 3: Cross multiply
    1,693,890.91x = 2,538,593.64 × 1,242,498.23
  4. Step 4: Simplify right side
    1,693,890.91x = 3,154,198,091,696.29
  5. Step 5: Solve for x
    x = 3,154,198,091,696.29/1,693,890.91
  6. Step 6: Final answer
    x = 1,862,102.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.