Home / 3,957,890.92-5,461,899.96-2,147,054.92

Finding the Fourth Proportional to 3,957,890.92, 5,461,899.96 and 2,147,054.92

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Solution

The fourth proportional to 3,957,890.92, 5,461,899.96 and 2,147,054.92 is: 2,962,941.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957,890.92 : 5,461,899.96 = 2,147,054.92 : x
  2. Step 2: Convert to fraction form
    3,957,890.92/5,461,899.96 = 2,147,054.92/x
  3. Step 3: Cross multiply
    3,957,890.92x = 5,461,899.96 × 2,147,054.92
  4. Step 4: Simplify right side
    3,957,890.92x = 11,726,999,176,062.51
  5. Step 5: Solve for x
    x = 11,726,999,176,062.51/3,957,890.92
  6. Step 6: Final answer
    x = 2,962,941.48

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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.