Home / 6,237,941.20-9,356,911.80-1,978,442.80

Finding the Fourth Proportional to 6,237,941.20, 9,356,911.80 and 1,978,442.80

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Solution

The fourth proportional to 6,237,941.20, 9,356,911.80 and 1,978,442.80 is: 2,967,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237,941.20 : 9,356,911.80 = 1,978,442.80 : x
  2. Step 2: Convert to fraction form
    6,237,941.20/9,356,911.80 = 1,978,442.80/x
  3. Step 3: Cross multiply
    6,237,941.20x = 9,356,911.80 × 1,978,442.80
  4. Step 4: Simplify right side
    6,237,941.20x = 18,512,114,780,945.04
  5. Step 5: Solve for x
    x = 18,512,114,780,945.04/6,237,941.20
  6. Step 6: Final answer
    x = 2,967,664.20

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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.