Home / 1,693,489.52-2,336,930.16-1,005,191.42

Finding the Fourth Proportional to 1,693,489.52, 2,336,930.16 and 1,005,191.42

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Solution

The fourth proportional to 1,693,489.52, 2,336,930.16 and 1,005,191.42 is: 1,387,113.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,489.52 : 2,336,930.16 = 1,005,191.42 : x
  2. Step 2: Convert to fraction form
    1,693,489.52/2,336,930.16 = 1,005,191.42/x
  3. Step 3: Cross multiply
    1,693,489.52x = 2,336,930.16 × 1,005,191.42
  4. Step 4: Simplify right side
    1,693,489.52x = 2,349,062,145,971.23
  5. Step 5: Solve for x
    x = 2,349,062,145,971.23/1,693,489.52
  6. Step 6: Final answer
    x = 1,387,113.48

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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.