Home / 5,178,867.41-7,147,262.55-2,856,214.24

Finding the Fourth Proportional to 5,178,867.41, 7,147,262.55 and 2,856,214.24

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Solution

The fourth proportional to 5,178,867.41, 7,147,262.55 and 2,856,214.24 is: 3,941,810.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,867.41 : 7,147,262.55 = 2,856,214.24 : x
  2. Step 2: Convert to fraction form
    5,178,867.41/7,147,262.55 = 2,856,214.24/x
  3. Step 3: Cross multiply
    5,178,867.41x = 7,147,262.55 × 2,856,214.24
  4. Step 4: Simplify right side
    5,178,867.41x = 20,414,113,065,171.36
  5. Step 5: Solve for x
    x = 20,414,113,065,171.36/5,178,867.41
  6. Step 6: Final answer
    x = 3,941,810.33

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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.