Home / 2,072,730.32-3,109,095.52-809,672.20

Finding the Fourth Proportional to 2,072,730.32, 3,109,095.52 and 809,672.20

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Solution

The fourth proportional to 2,072,730.32, 3,109,095.52 and 809,672.20 is: 1,214,508.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,730.32 : 3,109,095.52 = 809,672.20 : x
  2. Step 2: Convert to fraction form
    2,072,730.32/3,109,095.52 = 809,672.20/x
  3. Step 3: Cross multiply
    2,072,730.32x = 3,109,095.52 × 809,672.20
  4. Step 4: Simplify right side
    2,072,730.32x = 2,517,348,209,688.54
  5. Step 5: Solve for x
    x = 2,517,348,209,688.54/2,072,730.32
  6. Step 6: Final answer
    x = 1,214,508.32

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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.