Home / 1,791,988.22-2,472,942.66-987,172.22

Finding the Fourth Proportional to 1,791,988.22, 2,472,942.66 and 987,172.22

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Solution

The fourth proportional to 1,791,988.22, 2,472,942.66 and 987,172.22 is: 1,362,297.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,988.22 : 2,472,942.66 = 987,172.22 : x
  2. Step 2: Convert to fraction form
    1,791,988.22/2,472,942.66 = 987,172.22/x
  3. Step 3: Cross multiply
    1,791,988.22x = 2,472,942.66 × 987,172.22
  4. Step 4: Simplify right side
    1,791,988.22x = 2,441,220,283,240.19
  5. Step 5: Solve for x
    x = 2,441,220,283,240.19/1,791,988.22
  6. Step 6: Final answer
    x = 1,362,297.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.