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Finding the Fourth Proportional to 4,788,722.03, 6,608,576.79 and 2,613,405.06

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Solution

The fourth proportional to 4,788,722.03, 6,608,576.79 and 2,613,405.06 is: 3,606,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788,722.03 : 6,608,576.79 = 2,613,405.06 : x
  2. Step 2: Convert to fraction form
    4,788,722.03/6,608,576.79 = 2,613,405.06/x
  3. Step 3: Cross multiply
    4,788,722.03x = 6,608,576.79 × 2,613,405.06
  4. Step 4: Simplify right side
    4,788,722.03x = 17,270,888,022,384.56
  5. Step 5: Solve for x
    x = 17,270,888,022,384.56/4,788,722.03
  6. Step 6: Final answer
    x = 3,606,575.60

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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.