Home / 6,805,461.88-10,207,928.70-1,687,904.56

Finding the Fourth Proportional to 6,805,461.88, 10,207,928.70 and 1,687,904.56

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Solution

The fourth proportional to 6,805,461.88, 10,207,928.70 and 1,687,904.56 is: 2,531,791.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805,461.88 : 10,207,928.70 = 1,687,904.56 : x
  2. Step 2: Convert to fraction form
    6,805,461.88/10,207,928.70 = 1,687,904.56/x
  3. Step 3: Cross multiply
    6,805,461.88x = 10,207,928.70 × 1,687,904.56
  4. Step 4: Simplify right side
    6,805,461.88x = 17,230,009,400,884.87
  5. Step 5: Solve for x
    x = 17,230,009,400,884.87/6,805,461.88
  6. Step 6: Final answer
    x = 2,531,791.33

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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.