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Finding the Fourth Proportional to 3,586,214.88, 4,948,978.44 and 2,037,479.28

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Solution

The fourth proportional to 3,586,214.88, 4,948,978.44 and 2,037,479.28 is: 2,811,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586,214.88 : 4,948,978.44 = 2,037,479.28 : x
  2. Step 2: Convert to fraction form
    3,586,214.88/4,948,978.44 = 2,037,479.28/x
  3. Step 3: Cross multiply
    3,586,214.88x = 4,948,978.44 × 2,037,479.28
  4. Step 4: Simplify right side
    3,586,214.88x = 10,083,441,028,666.72
  5. Step 5: Solve for x
    x = 10,083,441,028,666.72/3,586,214.88
  6. Step 6: Final answer
    x = 2,811,722.49

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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.