Home / 2,120,080.80-3,175,455.60-1,883,690.40

Finding the Fourth Proportional to 2,120,080.80, 3,175,455.60 and 1,883,690.40

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Solution

The fourth proportional to 2,120,080.80, 3,175,455.60 and 1,883,690.40 is: 2,821,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,080.80 : 3,175,455.60 = 1,883,690.40 : x
  2. Step 2: Convert to fraction form
    2,120,080.80/3,175,455.60 = 1,883,690.40/x
  3. Step 3: Cross multiply
    2,120,080.80x = 3,175,455.60 × 1,883,690.40
  4. Step 4: Simplify right side
    2,120,080.80x = 5,981,575,229,346.24
  5. Step 5: Solve for x
    x = 5,981,575,229,346.24/2,120,080.80
  6. Step 6: Final answer
    x = 2,821,390.22

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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.