Home / 2,851,904.30-4,278,120.10-932,826.38

Finding the Fourth Proportional to 2,851,904.30, 4,278,120.10 and 932,826.38

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Solution

The fourth proportional to 2,851,904.30, 4,278,120.10 and 932,826.38 is: 1,399,325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851,904.30 : 4,278,120.10 = 932,826.38 : x
  2. Step 2: Convert to fraction form
    2,851,904.30/4,278,120.10 = 932,826.38/x
  3. Step 3: Cross multiply
    2,851,904.30x = 4,278,120.10 × 932,826.38
  4. Step 4: Simplify right side
    2,851,904.30x = 3,990,743,294,451.47
  5. Step 5: Solve for x
    x = 3,990,743,294,451.47/2,851,904.30
  6. Step 6: Final answer
    x = 1,399,325.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.