Home / 2,998,655.44-4,138,147.24-1,640,528.44

Finding the Fourth Proportional to 2,998,655.44, 4,138,147.24 and 1,640,528.44

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Solution

The fourth proportional to 2,998,655.44, 4,138,147.24 and 1,640,528.44 is: 2,263,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,655.44 : 4,138,147.24 = 1,640,528.44 : x
  2. Step 2: Convert to fraction form
    2,998,655.44/4,138,147.24 = 1,640,528.44/x
  3. Step 3: Cross multiply
    2,998,655.44x = 4,138,147.24 × 1,640,528.44
  4. Step 4: Simplify right side
    2,998,655.44x = 6,788,748,221,680.82
  5. Step 5: Solve for x
    x = 6,788,748,221,680.82/2,998,655.44
  6. Step 6: Final answer
    x = 2,263,930.74

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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.