Home / 1,693,917.42-2,538,633.69-1,242,524.94

Finding the Fourth Proportional to 1,693,917.42, 2,538,633.69 and 1,242,524.94

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Solution

The fourth proportional to 1,693,917.42, 2,538,633.69 and 1,242,524.94 is: 1,862,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,917.42 : 2,538,633.69 = 1,242,524.94 : x
  2. Step 2: Convert to fraction form
    1,693,917.42/2,538,633.69 = 1,242,524.94/x
  3. Step 3: Cross multiply
    1,693,917.42x = 2,538,633.69 × 1,242,524.94
  4. Step 4: Simplify right side
    1,693,917.42x = 3,154,315,673,349.23
  5. Step 5: Solve for x
    x = 3,154,315,673,349.23/1,693,917.42
  6. Step 6: Final answer
    x = 1,862,142.53

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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.