Home / 2,954,900.40-4,078,396.58-1,866,479.71

Finding the Fourth Proportional to 2,954,900.40, 4,078,396.58 and 1,866,479.71

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Solution

The fourth proportional to 2,954,900.40, 4,078,396.58 and 1,866,479.71 is: 2,576,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954,900.40 : 4,078,396.58 = 1,866,479.71 : x
  2. Step 2: Convert to fraction form
    2,954,900.40/4,078,396.58 = 1,866,479.71/x
  3. Step 3: Cross multiply
    2,954,900.40x = 4,078,396.58 × 1,866,479.71
  4. Step 4: Simplify right side
    2,954,900.40x = 7,612,244,454,022.00
  5. Step 5: Solve for x
    x = 7,612,244,454,022.00/2,954,900.40
  6. Step 6: Final answer
    x = 2,576,142.48

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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.