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Finding the Fourth Proportional to 2,848,410.82, 3,930,806.64 and 1,559,252.08

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Solution

The fourth proportional to 2,848,410.82, 3,930,806.64 and 1,559,252.08 is: 2,151,767.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848,410.82 : 3,930,806.64 = 1,559,252.08 : x
  2. Step 2: Convert to fraction form
    2,848,410.82/3,930,806.64 = 1,559,252.08/x
  3. Step 3: Cross multiply
    2,848,410.82x = 3,930,806.64 × 1,559,252.08
  4. Step 4: Simplify right side
    2,848,410.82x = 6,129,118,429,497.81
  5. Step 5: Solve for x
    x = 6,129,118,429,497.81/2,848,410.82
  6. Step 6: Final answer
    x = 2,151,767.71

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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.