Home / 3,950,117.47-5,451,162.11-2,139,281.47

Finding the Fourth Proportional to 3,950,117.47, 5,451,162.11 and 2,139,281.47

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Solution

The fourth proportional to 3,950,117.47, 5,451,162.11 and 2,139,281.47 is: 2,952,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950,117.47 : 5,451,162.11 = 2,139,281.47 : x
  2. Step 2: Convert to fraction form
    3,950,117.47/5,451,162.11 = 2,139,281.47/x
  3. Step 3: Cross multiply
    3,950,117.47x = 5,451,162.11 × 2,139,281.47
  4. Step 4: Simplify right side
    3,950,117.47x = 11,661,570,091,889.10
  5. Step 5: Solve for x
    x = 11,661,570,091,889.10/3,950,117.47
  6. Step 6: Final answer
    x = 2,952,208.43

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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.