Home / 6,748,619.09-10,123,978.39-2,198,608.64

Finding the Fourth Proportional to 6,748,619.09, 10,123,978.39 and 2,198,608.64

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Solution

The fourth proportional to 6,748,619.09, 10,123,978.39 and 2,198,608.64 is: 3,298,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748,619.09 : 10,123,978.39 = 2,198,608.64 : x
  2. Step 2: Convert to fraction form
    6,748,619.09/10,123,978.39 = 2,198,608.64/x
  3. Step 3: Cross multiply
    6,748,619.09x = 10,123,978.39 × 2,198,608.64
  4. Step 4: Simplify right side
    6,748,619.09x = 22,258,666,369,749.48
  5. Step 5: Solve for x
    x = 22,258,666,369,749.48/6,748,619.09
  6. Step 6: Final answer
    x = 3,298,254.96

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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.