Home / 3,989,896.16-5,506,091.78-2,271,127.28

Finding the Fourth Proportional to 3,989,896.16, 5,506,091.78 and 2,271,127.28

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Solution

The fourth proportional to 3,989,896.16, 5,506,091.78 and 2,271,127.28 is: 3,134,175.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,896.16 : 5,506,091.78 = 2,271,127.28 : x
  2. Step 2: Convert to fraction form
    3,989,896.16/5,506,091.78 = 2,271,127.28/x
  3. Step 3: Cross multiply
    3,989,896.16x = 5,506,091.78 × 2,271,127.28
  4. Step 4: Simplify right side
    3,989,896.16x = 12,505,035,247,741.76
  5. Step 5: Solve for x
    x = 12,505,035,247,741.76/3,989,896.16
  6. Step 6: Final answer
    x = 3,134,175.61

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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.