Home / 1,693,890.78-2,538,593.44-1,242,498.10

Finding the Fourth Proportional to 1,693,890.78, 2,538,593.44 and 1,242,498.10

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Solution

The fourth proportional to 1,693,890.78, 2,538,593.44 and 1,242,498.10 is: 1,862,102.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,890.78 : 2,538,593.44 = 1,242,498.10 : x
  2. Step 2: Convert to fraction form
    1,693,890.78/2,538,593.44 = 1,242,498.10/x
  3. Step 3: Cross multiply
    1,693,890.78x = 2,538,593.44 × 1,242,498.10
  4. Step 4: Simplify right side
    1,693,890.78x = 3,154,197,525,872.46
  5. Step 5: Solve for x
    x = 3,154,197,525,872.46/1,693,890.78
  6. Step 6: Final answer
    x = 1,862,102.07

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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.