Home / 3,809,345.76-5,256,961.02-2,090,626.20

Finding the Fourth Proportional to 3,809,345.76, 5,256,961.02 and 2,090,626.20

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Solution

The fourth proportional to 3,809,345.76, 5,256,961.02 and 2,090,626.20 is: 2,885,099.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809,345.76 : 5,256,961.02 = 2,090,626.20 : x
  2. Step 2: Convert to fraction form
    3,809,345.76/5,256,961.02 = 2,090,626.20/x
  3. Step 3: Cross multiply
    3,809,345.76x = 5,256,961.02 × 2,090,626.20
  4. Step 4: Simplify right side
    3,809,345.76x = 10,990,340,440,790.72
  5. Step 5: Solve for x
    x = 10,990,340,440,790.72/3,809,345.76
  6. Step 6: Final answer
    x = 2,885,099.21

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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.