Home / 1,693,918.17-2,538,634.82-1,242,525.69

Finding the Fourth Proportional to 1,693,918.17, 2,538,634.82 and 1,242,525.69

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Solution

The fourth proportional to 1,693,918.17, 2,538,634.82 and 1,242,525.69 is: 1,862,143.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,918.17 : 2,538,634.82 = 1,242,525.69 : x
  2. Step 2: Convert to fraction form
    1,693,918.17/2,538,634.82 = 1,242,525.69/x
  3. Step 3: Cross multiply
    1,693,918.17x = 2,538,634.82 × 1,242,525.69
  4. Step 4: Simplify right side
    1,693,918.17x = 3,154,318,975,165.90
  5. Step 5: Solve for x
    x = 3,154,318,975,165.90/1,693,918.17
  6. Step 6: Final answer
    x = 1,862,143.66

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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.