Home / 3,911,590-5,398,013.64-2,281,128.04

Finding the Fourth Proportional to 3,911,590, 5,398,013.64 and 2,281,128.04

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Solution

The fourth proportional to 3,911,590, 5,398,013.64 and 2,281,128.04 is: 3,147,968.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,590 : 5,398,013.64 = 2,281,128.04 : x
  2. Step 2: Convert to fraction form
    3,911,590/5,398,013.64 = 2,281,128.04/x
  3. Step 3: Cross multiply
    3,911,590x = 5,398,013.64 × 2,281,128.04
  4. Step 4: Simplify right side
    3,911,590x = 12,313,560,274,506.46
  5. Step 5: Solve for x
    x = 12,313,560,274,506.46/3,911,590
  6. Step 6: Final answer
    x = 3,147,968.03

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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.