Home / 3,020,635.91-4,530,458.22-831,694.91

Finding the Fourth Proportional to 3,020,635.91, 4,530,458.22 and 831,694.91

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Solution

The fourth proportional to 3,020,635.91, 4,530,458.22 and 831,694.91 is: 1,247,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,635.91 : 4,530,458.22 = 831,694.91 : x
  2. Step 2: Convert to fraction form
    3,020,635.91/4,530,458.22 = 831,694.91/x
  3. Step 3: Cross multiply
    3,020,635.91x = 4,530,458.22 × 831,694.91
  4. Step 4: Simplify right side
    3,020,635.91x = 3,767,959,041,541.66
  5. Step 5: Solve for x
    x = 3,767,959,041,541.66/3,020,635.91
  6. Step 6: Final answer
    x = 1,247,405.90

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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.