Home / 3,902,287.23-5,385,019.05-2,159,960.04

Finding the Fourth Proportional to 3,902,287.23, 5,385,019.05 and 2,159,960.04

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Solution

The fourth proportional to 3,902,287.23, 5,385,019.05 and 2,159,960.04 is: 2,980,668.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902,287.23 : 5,385,019.05 = 2,159,960.04 : x
  2. Step 2: Convert to fraction form
    3,902,287.23/5,385,019.05 = 2,159,960.04/x
  3. Step 3: Cross multiply
    3,902,287.23x = 5,385,019.05 × 2,159,960.04
  4. Step 4: Simplify right side
    3,902,287.23x = 11,631,425,962,638.76
  5. Step 5: Solve for x
    x = 11,631,425,962,638.76/3,902,287.23
  6. Step 6: Final answer
    x = 2,980,668.84

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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.