Home / 3,239,140.50-4,861,699.68-1,642,824.60

Finding the Fourth Proportional to 3,239,140.50, 4,861,699.68 and 1,642,824.60

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Solution

The fourth proportional to 3,239,140.50, 4,861,699.68 and 1,642,824.60 is: 2,465,752.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239,140.50 : 4,861,699.68 = 1,642,824.60 : x
  2. Step 2: Convert to fraction form
    3,239,140.50/4,861,699.68 = 1,642,824.60/x
  3. Step 3: Cross multiply
    3,239,140.50x = 4,861,699.68 × 1,642,824.60
  4. Step 4: Simplify right side
    3,239,140.50x = 7,986,919,832,116.13
  5. Step 5: Solve for x
    x = 7,986,919,832,116.13/3,239,140.50
  6. Step 6: Final answer
    x = 2,465,752.82

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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.