Home / 2,161,879.77-3,242,953.38-722,692.68

Finding the Fourth Proportional to 2,161,879.77, 3,242,953.38 and 722,692.68

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Solution

The fourth proportional to 2,161,879.77, 3,242,953.38 and 722,692.68 is: 1,084,083.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,879.77 : 3,242,953.38 = 722,692.68 : x
  2. Step 2: Convert to fraction form
    2,161,879.77/3,242,953.38 = 722,692.68/x
  3. Step 3: Cross multiply
    2,161,879.77x = 3,242,953.38 × 722,692.68
  4. Step 4: Simplify right side
    2,161,879.77x = 2,343,658,669,307.26
  5. Step 5: Solve for x
    x = 2,343,658,669,307.26/2,161,879.77
  6. Step 6: Final answer
    x = 1,084,083.72

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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.