Home / 1,661,011.60-2,491,517.40-1,629,518.80

Finding the Fourth Proportional to 1,661,011.60, 2,491,517.40 and 1,629,518.80

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Solution

The fourth proportional to 1,661,011.60, 2,491,517.40 and 1,629,518.80 is: 2,444,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,011.60 : 2,491,517.40 = 1,629,518.80 : x
  2. Step 2: Convert to fraction form
    1,661,011.60/2,491,517.40 = 1,629,518.80/x
  3. Step 3: Cross multiply
    1,661,011.60x = 2,491,517.40 × 1,629,518.80
  4. Step 4: Simplify right side
    1,661,011.60x = 4,059,974,443,827.12
  5. Step 5: Solve for x
    x = 4,059,974,443,827.12/1,661,011.60
  6. Step 6: Final answer
    x = 2,444,278.20

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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.