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Finding the Fourth Proportional to 2,792,882, 4,189,323 and 1,019,954

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Solution

The fourth proportional to 2,792,882, 4,189,323 and 1,019,954 is: 1,529,931

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792,882 : 4,189,323 = 1,019,954 : x
  2. Step 2: Convert to fraction form
    2,792,882/4,189,323 = 1,019,954/x
  3. Step 3: Cross multiply
    2,792,882x = 4,189,323 × 1,019,954
  4. Step 4: Simplify right side
    2,792,882x = 4,272,916,751,142
  5. Step 5: Solve for x
    x = 4,272,916,751,142/2,792,882
  6. Step 6: Final answer
    x = 1,529,931

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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.