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Finding the Fourth Proportional to 5,640,579, 7,783,999.02 and 3,096,963

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Solution

The fourth proportional to 5,640,579, 7,783,999.02 and 3,096,963 is: 4,273,808.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640,579 : 7,783,999.02 = 3,096,963 : x
  2. Step 2: Convert to fraction form
    5,640,579/7,783,999.02 = 3,096,963/x
  3. Step 3: Cross multiply
    5,640,579x = 7,783,999.02 × 3,096,963
  4. Step 4: Simplify right side
    5,640,579x = 24,106,756,956,976.26
  5. Step 5: Solve for x
    x = 24,106,756,956,976.26/5,640,579
  6. Step 6: Final answer
    x = 4,273,808.94

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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.