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Finding the Fourth Proportional to 5,959,230.80, 8,938,846.20 and 3,570,443.60

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Solution

The fourth proportional to 5,959,230.80, 8,938,846.20 and 3,570,443.60 is: 5,355,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,959,230.80 : 8,938,846.20 = 3,570,443.60 : x
  2. Step 2: Convert to fraction form
    5,959,230.80/8,938,846.20 = 3,570,443.60/x
  3. Step 3: Cross multiply
    5,959,230.80x = 8,938,846.20 × 3,570,443.60
  4. Step 4: Simplify right side
    5,959,230.80x = 31,915,646,206,174.32
  5. Step 5: Solve for x
    x = 31,915,646,206,174.32/5,959,230.80
  6. Step 6: Final answer
    x = 5,355,665.40

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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.