Home / 2,763,285.40-4,144,928.12-1,640,776.60

Finding the Fourth Proportional to 2,763,285.40, 4,144,928.12 and 1,640,776.60

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Solution

The fourth proportional to 2,763,285.40, 4,144,928.12 and 1,640,776.60 is: 2,461,164.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763,285.40 : 4,144,928.12 = 1,640,776.60 : x
  2. Step 2: Convert to fraction form
    2,763,285.40/4,144,928.12 = 1,640,776.60/x
  3. Step 3: Cross multiply
    2,763,285.40x = 4,144,928.12 × 1,640,776.60
  4. Step 4: Simplify right side
    2,763,285.40x = 6,800,901,067,977.99
  5. Step 5: Solve for x
    x = 6,800,901,067,977.99/2,763,285.40
  6. Step 6: Final answer
    x = 2,461,164.91

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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.