Home / 4,982,653.09-6,876,061.35-2,690,813.78

Finding the Fourth Proportional to 4,982,653.09, 6,876,061.35 and 2,690,813.78

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Solution

The fourth proportional to 4,982,653.09, 6,876,061.35 and 2,690,813.78 is: 3,713,323.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982,653.09 : 6,876,061.35 = 2,690,813.78 : x
  2. Step 2: Convert to fraction form
    4,982,653.09/6,876,061.35 = 2,690,813.78/x
  3. Step 3: Cross multiply
    4,982,653.09x = 6,876,061.35 × 2,690,813.78
  4. Step 4: Simplify right side
    4,982,653.09x = 18,502,200,636,816.66
  5. Step 5: Solve for x
    x = 18,502,200,636,816.66/4,982,653.09
  6. Step 6: Final answer
    x = 3,713,323.06

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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.