Home / 2,080,245.40-3,120,368.10-1,184,450.20

Finding the Fourth Proportional to 2,080,245.40, 3,120,368.10 and 1,184,450.20

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Solution

The fourth proportional to 2,080,245.40, 3,120,368.10 and 1,184,450.20 is: 1,776,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,245.40 : 3,120,368.10 = 1,184,450.20 : x
  2. Step 2: Convert to fraction form
    2,080,245.40/3,120,368.10 = 1,184,450.20/x
  3. Step 3: Cross multiply
    2,080,245.40x = 3,120,368.10 × 1,184,450.20
  4. Step 4: Simplify right side
    2,080,245.40x = 3,695,920,620,118.62
  5. Step 5: Solve for x
    x = 3,695,920,620,118.62/2,080,245.40
  6. Step 6: Final answer
    x = 1,776,675.30

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Similar ratio
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1.5x scale

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.