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Finding the Fourth Proportional to 2,147,484, 3,221,245.44 and 651,576

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Solution

The fourth proportional to 2,147,484, 3,221,245.44 and 651,576 is: 977,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,484 : 3,221,245.44 = 651,576 : x
  2. Step 2: Convert to fraction form
    2,147,484/3,221,245.44 = 651,576/x
  3. Step 3: Cross multiply
    2,147,484x = 3,221,245.44 × 651,576
  4. Step 4: Simplify right side
    2,147,484x = 2,098,886,218,813.44
  5. Step 5: Solve for x
    x = 2,098,886,218,813.44/2,147,484
  6. Step 6: Final answer
    x = 977,369.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.