Home / 5,035,705.77-7,555,791.29-2,638,980.57

Finding the Fourth Proportional to 5,035,705.77, 7,555,791.29 and 2,638,980.57

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Solution

The fourth proportional to 5,035,705.77, 7,555,791.29 and 2,638,980.57 is: 3,959,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,035,705.77 : 7,555,791.29 = 2,638,980.57 : x
  2. Step 2: Convert to fraction form
    5,035,705.77/7,555,791.29 = 2,638,980.57/x
  3. Step 3: Cross multiply
    5,035,705.77x = 7,555,791.29 × 2,638,980.57
  4. Step 4: Simplify right side
    5,035,705.77x = 19,939,586,405,285.23
  5. Step 5: Solve for x
    x = 19,939,586,405,285.23/5,035,705.77
  6. Step 6: Final answer
    x = 3,959,640.88

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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.