Home / 2,715,037.20-4,073,016.60-821,763.60

Finding the Fourth Proportional to 2,715,037.20, 4,073,016.60 and 821,763.60

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Solution

The fourth proportional to 2,715,037.20, 4,073,016.60 and 821,763.60 is: 1,232,784.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715,037.20 : 4,073,016.60 = 821,763.60 : x
  2. Step 2: Convert to fraction form
    2,715,037.20/4,073,016.60 = 821,763.60/x
  3. Step 3: Cross multiply
    2,715,037.20x = 4,073,016.60 × 821,763.60
  4. Step 4: Simplify right side
    2,715,037.20x = 3,347,056,784,075.76
  5. Step 5: Solve for x
    x = 3,347,056,784,075.76/2,715,037.20
  6. Step 6: Final answer
    x = 1,232,784.87

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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.