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Finding the Fourth Proportional to 1,969,649, 2,718,114.84 and 1,064,231

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Solution

The fourth proportional to 1,969,649, 2,718,114.84 and 1,064,231 is: 1,468,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,649 : 2,718,114.84 = 1,064,231 : x
  2. Step 2: Convert to fraction form
    1,969,649/2,718,114.84 = 1,064,231/x
  3. Step 3: Cross multiply
    1,969,649x = 2,718,114.84 × 1,064,231
  4. Step 4: Simplify right side
    1,969,649x = 2,892,702,074,288.04
  5. Step 5: Solve for x
    x = 2,892,702,074,288.04/1,969,649
  6. Step 6: Final answer
    x = 1,468,638.36

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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.