Home / 2,685,019.62-4,026,913.96-765,894.30

Finding the Fourth Proportional to 2,685,019.62, 4,026,913.96 and 765,894.30

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Solution

The fourth proportional to 2,685,019.62, 4,026,913.96 and 765,894.30 is: 1,148,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,019.62 : 4,026,913.96 = 765,894.30 : x
  2. Step 2: Convert to fraction form
    2,685,019.62/4,026,913.96 = 765,894.30/x
  3. Step 3: Cross multiply
    2,685,019.62x = 4,026,913.96 × 765,894.30
  4. Step 4: Simplify right side
    2,685,019.62x = 3,084,190,448,554.43
  5. Step 5: Solve for x
    x = 3,084,190,448,554.43/2,685,019.62
  6. Step 6: Final answer
    x = 1,148,665.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.