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Finding the Fourth Proportional to 3,607,449.84, 4,978,269.99 and 2,037,409.83

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Solution

The fourth proportional to 3,607,449.84, 4,978,269.99 and 2,037,409.83 is: 2,811,619.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607,449.84 : 4,978,269.99 = 2,037,409.83 : x
  2. Step 2: Convert to fraction form
    3,607,449.84/4,978,269.99 = 2,037,409.83/x
  3. Step 3: Cross multiply
    3,607,449.84x = 4,978,269.99 × 2,037,409.83
  4. Step 4: Simplify right side
    3,607,449.84x = 10,142,776,214,020.00
  5. Step 5: Solve for x
    x = 10,142,776,214,020.00/3,607,449.84
  6. Step 6: Final answer
    x = 2,811,619.47

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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.