Home / 1,998,561.34-2,758,915.32-1,274,382.46

Finding the Fourth Proportional to 1,998,561.34, 2,758,915.32 and 1,274,382.46

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Solution

The fourth proportional to 1,998,561.34, 2,758,915.32 and 1,274,382.46 is: 1,759,222.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,561.34 : 2,758,915.32 = 1,274,382.46 : x
  2. Step 2: Convert to fraction form
    1,998,561.34/2,758,915.32 = 1,274,382.46/x
  3. Step 3: Cross multiply
    1,998,561.34x = 2,758,915.32 × 1,274,382.46
  4. Step 4: Simplify right side
    1,998,561.34x = 3,515,913,292,433.29
  5. Step 5: Solve for x
    x = 3,515,913,292,433.29/1,998,561.34
  6. Step 6: Final answer
    x = 1,759,222.11

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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.