Home / 3,317,811.41-4,578,034.83-1,921,876.64

Finding the Fourth Proportional to 3,317,811.41, 4,578,034.83 and 1,921,876.64

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Solution

The fourth proportional to 3,317,811.41, 4,578,034.83 and 1,921,876.64 is: 2,651,874.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317,811.41 : 4,578,034.83 = 1,921,876.64 : x
  2. Step 2: Convert to fraction form
    3,317,811.41/4,578,034.83 = 1,921,876.64/x
  3. Step 3: Cross multiply
    3,317,811.41x = 4,578,034.83 × 1,921,876.64
  4. Step 4: Simplify right side
    3,317,811.41x = 8,798,418,173,993.20
  5. Step 5: Solve for x
    x = 8,798,418,173,993.20/3,317,811.41
  6. Step 6: Final answer
    x = 2,651,874.11

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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.