Home / 6,878,897.51-10,318,370.26-2,086,628.07

Finding the Fourth Proportional to 6,878,897.51, 10,318,370.26 and 2,086,628.07

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Solution

The fourth proportional to 6,878,897.51, 10,318,370.26 and 2,086,628.07 is: 3,129,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,897.51 : 10,318,370.26 = 2,086,628.07 : x
  2. Step 2: Convert to fraction form
    6,878,897.51/10,318,370.26 = 2,086,628.07/x
  3. Step 3: Cross multiply
    6,878,897.51x = 10,318,370.26 × 2,086,628.07
  4. Step 4: Simplify right side
    6,878,897.51x = 21,530,600,969,577.35
  5. Step 5: Solve for x
    x = 21,530,600,969,577.35/6,878,897.51
  6. Step 6: Final answer
    x = 3,129,949.38

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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.