Home / 3,478,815.72-4,800,756.48-1,950,955.65

Finding the Fourth Proportional to 3,478,815.72, 4,800,756.48 and 1,950,955.65

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Solution

The fourth proportional to 3,478,815.72, 4,800,756.48 and 1,950,955.65 is: 2,692,313.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,815.72 : 4,800,756.48 = 1,950,955.65 : x
  2. Step 2: Convert to fraction form
    3,478,815.72/4,800,756.48 = 1,950,955.65/x
  3. Step 3: Cross multiply
    3,478,815.72x = 4,800,756.48 × 1,950,955.65
  4. Step 4: Simplify right side
    3,478,815.72x = 9,366,062,978,930.11
  5. Step 5: Solve for x
    x = 9,366,062,978,930.11/3,478,815.72
  6. Step 6: Final answer
    x = 2,692,313.63

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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.