Home / 2,989,874.43-4,124,732.42-1,828,371.49

Finding the Fourth Proportional to 2,989,874.43, 4,124,732.42 and 1,828,371.49

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Solution

The fourth proportional to 2,989,874.43, 4,124,732.42 and 1,828,371.49 is: 2,522,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,874.43 : 4,124,732.42 = 1,828,371.49 : x
  2. Step 2: Convert to fraction form
    2,989,874.43/4,124,732.42 = 1,828,371.49/x
  3. Step 3: Cross multiply
    2,989,874.43x = 4,124,732.42 × 1,828,371.49
  4. Step 4: Simplify right side
    2,989,874.43x = 7,541,543,154,865.80
  5. Step 5: Solve for x
    x = 7,541,543,154,865.80/2,989,874.43
  6. Step 6: Final answer
    x = 2,522,361.17

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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.