Home / 3,615,636.85-4,989,888.77-1,984,359.56

Finding the Fourth Proportional to 3,615,636.85, 4,989,888.77 and 1,984,359.56

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Solution

The fourth proportional to 3,615,636.85, 4,989,888.77 and 1,984,359.56 is: 2,738,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,636.85 : 4,989,888.77 = 1,984,359.56 : x
  2. Step 2: Convert to fraction form
    3,615,636.85/4,989,888.77 = 1,984,359.56/x
  3. Step 3: Cross multiply
    3,615,636.85x = 4,989,888.77 × 1,984,359.56
  4. Step 4: Simplify right side
    3,615,636.85x = 9,901,733,449,214.90
  5. Step 5: Solve for x
    x = 9,901,733,449,214.90/3,615,636.85
  6. Step 6: Final answer
    x = 2,738,586.28

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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.