Home / 2,696,857.38-4,044,738.51-990,414.18

Finding the Fourth Proportional to 2,696,857.38, 4,044,738.51 and 990,414.18

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Solution

The fourth proportional to 2,696,857.38, 4,044,738.51 and 990,414.18 is: 1,485,420.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696,857.38 : 4,044,738.51 = 990,414.18 : x
  2. Step 2: Convert to fraction form
    2,696,857.38/4,044,738.51 = 990,414.18/x
  3. Step 3: Cross multiply
    2,696,857.38x = 4,044,738.51 × 990,414.18
  4. Step 4: Simplify right side
    2,696,857.38x = 4,005,966,374,696.07
  5. Step 5: Solve for x
    x = 4,005,966,374,696.07/2,696,857.38
  6. Step 6: Final answer
    x = 1,485,420.18

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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.