Home / 1,786,190-2,464,981.08-981,374

Finding the Fourth Proportional to 1,786,190, 2,464,981.08 and 981,374

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Solution

The fourth proportional to 1,786,190, 2,464,981.08 and 981,374 is: 1,354,317.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,190 : 2,464,981.08 = 981,374 : x
  2. Step 2: Convert to fraction form
    1,786,190/2,464,981.08 = 981,374/x
  3. Step 3: Cross multiply
    1,786,190x = 2,464,981.08 × 981,374
  4. Step 4: Simplify right side
    1,786,190x = 2,419,068,342,403.92
  5. Step 5: Solve for x
    x = 2,419,068,342,403.92/1,786,190
  6. Step 6: Final answer
    x = 1,354,317.48

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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.