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Finding the Fourth Proportional to 1,969,886.90, 2,954,927.55 and 1,025,102.90

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Solution

The fourth proportional to 1,969,886.90, 2,954,927.55 and 1,025,102.90 is: 1,537,704.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,886.90 : 2,954,927.55 = 1,025,102.90 : x
  2. Step 2: Convert to fraction form
    1,969,886.90/2,954,927.55 = 1,025,102.90/x
  3. Step 3: Cross multiply
    1,969,886.90x = 2,954,927.55 × 1,025,102.90
  4. Step 4: Simplify right side
    1,969,886.90x = 3,029,104,800,794.90
  5. Step 5: Solve for x
    x = 3,029,104,800,794.90/1,969,886.90
  6. Step 6: Final answer
    x = 1,537,704.93

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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.