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Finding the Fourth Proportional to 2,576,962.73, 3,865,999.73 and 755,477.43

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Solution

The fourth proportional to 2,576,962.73, 3,865,999.73 and 755,477.43 is: 1,133,379.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576,962.73 : 3,865,999.73 = 755,477.43 : x
  2. Step 2: Convert to fraction form
    2,576,962.73/3,865,999.73 = 755,477.43/x
  3. Step 3: Cross multiply
    2,576,962.73x = 3,865,999.73 × 755,477.43
  4. Step 4: Simplify right side
    2,576,962.73x = 2,920,675,536,623.71
  5. Step 5: Solve for x
    x = 2,920,675,536,623.71/2,576,962.73
  6. Step 6: Final answer
    x = 1,133,379.04

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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.