Home / 3,820,020.22-5,271,516.78-2,101,140.28

Finding the Fourth Proportional to 3,820,020.22, 5,271,516.78 and 2,101,140.28

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Solution

The fourth proportional to 3,820,020.22, 5,271,516.78 and 2,101,140.28 is: 2,899,512.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,020.22 : 5,271,516.78 = 2,101,140.28 : x
  2. Step 2: Convert to fraction form
    3,820,020.22/5,271,516.78 = 2,101,140.28/x
  3. Step 3: Cross multiply
    3,820,020.22x = 5,271,516.78 × 2,101,140.28
  4. Step 4: Simplify right side
    3,820,020.22x = 11,076,196,243,153.90
  5. Step 5: Solve for x
    x = 11,076,196,243,153.90/3,820,020.22
  6. Step 6: Final answer
    x = 2,899,512.46

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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.