Home / 6,878,563.32-10,317,869.82-2,086,294.08

Finding the Fourth Proportional to 6,878,563.32, 10,317,869.82 and 2,086,294.08

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Solution

The fourth proportional to 6,878,563.32, 10,317,869.82 and 2,086,294.08 is: 3,129,448.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,563.32 : 10,317,869.82 = 2,086,294.08 : x
  2. Step 2: Convert to fraction form
    6,878,563.32/10,317,869.82 = 2,086,294.08/x
  3. Step 3: Cross multiply
    6,878,563.32x = 10,317,869.82 × 2,086,294.08
  4. Step 4: Simplify right side
    6,878,563.32x = 21,526,110,723,676.67
  5. Step 5: Solve for x
    x = 21,526,110,723,676.67/6,878,563.32
  6. Step 6: Final answer
    x = 3,129,448.65

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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.