Home / 3,108,762.20-4,663,771.90-1,311,650.12

Finding the Fourth Proportional to 3,108,762.20, 4,663,771.90 and 1,311,650.12

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Solution

The fourth proportional to 3,108,762.20, 4,663,771.90 and 1,311,650.12 is: 1,967,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,762.20 : 4,663,771.90 = 1,311,650.12 : x
  2. Step 2: Convert to fraction form
    3,108,762.20/4,663,771.90 = 1,311,650.12/x
  3. Step 3: Cross multiply
    3,108,762.20x = 4,663,771.90 × 1,311,650.12
  4. Step 4: Simplify right side
    3,108,762.20x = 6,117,236,972,287.63
  5. Step 5: Solve for x
    x = 6,117,236,972,287.63/3,108,762.20
  6. Step 6: Final answer
    x = 1,967,740.40

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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.