Home / 2,161,877.75-3,242,950.35-722,690.66

Finding the Fourth Proportional to 2,161,877.75, 3,242,950.35 and 722,690.66

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Solution

The fourth proportional to 2,161,877.75, 3,242,950.35 and 722,690.66 is: 1,084,080.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,877.75 : 3,242,950.35 = 722,690.66 : x
  2. Step 2: Convert to fraction form
    2,161,877.75/3,242,950.35 = 722,690.66/x
  3. Step 3: Cross multiply
    2,161,877.75x = 3,242,950.35 × 722,690.66
  4. Step 4: Simplify right side
    2,161,877.75x = 2,343,649,917,977.06
  5. Step 5: Solve for x
    x = 2,343,649,917,977.06/2,161,877.75
  6. Step 6: Final answer
    x = 1,084,080.69

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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.