Home / 3,957,920.04-5,461,940.16-2,147,084.04

Finding the Fourth Proportional to 3,957,920.04, 5,461,940.16 and 2,147,084.04

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Solution

The fourth proportional to 3,957,920.04, 5,461,940.16 and 2,147,084.04 is: 2,962,981.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957,920.04 : 5,461,940.16 = 2,147,084.04 : x
  2. Step 2: Convert to fraction form
    3,957,920.04/5,461,940.16 = 2,147,084.04/x
  3. Step 3: Cross multiply
    3,957,920.04x = 5,461,940.16 × 2,147,084.04
  4. Step 4: Simplify right side
    3,957,920.04x = 11,727,244,544,971.05
  5. Step 5: Solve for x
    x = 11,727,244,544,971.05/3,957,920.04
  6. Step 6: Final answer
    x = 2,962,981.67

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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.