Home / 2,080,376.40-3,118,414.20-1,131,742.80

Finding the Fourth Proportional to 2,080,376.40, 3,118,414.20 and 1,131,742.80

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Solution

The fourth proportional to 2,080,376.40, 3,118,414.20 and 1,131,742.80 is: 1,696,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,376.40 : 3,118,414.20 = 1,131,742.80 : x
  2. Step 2: Convert to fraction form
    2,080,376.40/3,118,414.20 = 1,131,742.80/x
  3. Step 3: Cross multiply
    2,080,376.40x = 3,118,414.20 × 1,131,742.80
  4. Step 4: Simplify right side
    2,080,376.40x = 3,529,242,818,267.76
  5. Step 5: Solve for x
    x = 3,529,242,818,267.76/2,080,376.40
  6. Step 6: Final answer
    x = 1,696,444.36

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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.