Home / 2,600,999.26-3,902,619.89-1,084,980.78

Finding the Fourth Proportional to 2,600,999.26, 3,902,619.89 and 1,084,980.78

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Solution

The fourth proportional to 2,600,999.26, 3,902,619.89 and 1,084,980.78 is: 1,627,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600,999.26 : 3,902,619.89 = 1,084,980.78 : x
  2. Step 2: Convert to fraction form
    2,600,999.26/3,902,619.89 = 1,084,980.78/x
  3. Step 3: Cross multiply
    2,600,999.26x = 3,902,619.89 × 1,084,980.78
  4. Step 4: Simplify right side
    2,600,999.26x = 4,234,267,572,295.71
  5. Step 5: Solve for x
    x = 4,234,267,572,295.71/2,600,999.26
  6. Step 6: Final answer
    x = 1,627,938.78

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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.