Home / 3,158,249.52-4,358,428.38-1,781,656.98

Finding the Fourth Proportional to 3,158,249.52, 4,358,428.38 and 1,781,656.98

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Solution

The fourth proportional to 3,158,249.52, 4,358,428.38 and 1,781,656.98 is: 2,458,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,249.52 : 4,358,428.38 = 1,781,656.98 : x
  2. Step 2: Convert to fraction form
    3,158,249.52/4,358,428.38 = 1,781,656.98/x
  3. Step 3: Cross multiply
    3,158,249.52x = 4,358,428.38 × 1,781,656.98
  4. Step 4: Simplify right side
    3,158,249.52x = 7,765,224,345,057.09
  5. Step 5: Solve for x
    x = 7,765,224,345,057.09/3,158,249.52
  6. Step 6: Final answer
    x = 2,458,711.48

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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.