Home / 2,512,321.28-3,751,464.60-1,994,173.20

Finding the Fourth Proportional to 2,512,321.28, 3,751,464.60 and 1,994,173.20

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Solution

The fourth proportional to 2,512,321.28, 3,751,464.60 and 1,994,173.20 is: 2,977,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512,321.28 : 3,751,464.60 = 1,994,173.20 : x
  2. Step 2: Convert to fraction form
    2,512,321.28/3,751,464.60 = 1,994,173.20/x
  3. Step 3: Cross multiply
    2,512,321.28x = 3,751,464.60 × 1,994,173.20
  4. Step 4: Simplify right side
    2,512,321.28x = 7,481,070,166,068.72
  5. Step 5: Solve for x
    x = 7,481,070,166,068.72/2,512,321.28
  6. Step 6: Final answer
    x = 2,977,752.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.