Home / 3,078,281.20-4,617,421.80-1,661,105.20

Finding the Fourth Proportional to 3,078,281.20, 4,617,421.80 and 1,661,105.20

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Solution

The fourth proportional to 3,078,281.20, 4,617,421.80 and 1,661,105.20 is: 2,491,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,281.20 : 4,617,421.80 = 1,661,105.20 : x
  2. Step 2: Convert to fraction form
    3,078,281.20/4,617,421.80 = 1,661,105.20/x
  3. Step 3: Cross multiply
    3,078,281.20x = 4,617,421.80 × 1,661,105.20
  4. Step 4: Simplify right side
    3,078,281.20x = 7,670,023,362,573.36
  5. Step 5: Solve for x
    x = 7,670,023,362,573.36/3,078,281.20
  6. Step 6: Final answer
    x = 2,491,657.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.