Home / 2,102,808.40-3,154,212.60-682,910.80

Finding the Fourth Proportional to 2,102,808.40, 3,154,212.60 and 682,910.80

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Solution

The fourth proportional to 2,102,808.40, 3,154,212.60 and 682,910.80 is: 1,024,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,808.40 : 3,154,212.60 = 682,910.80 : x
  2. Step 2: Convert to fraction form
    2,102,808.40/3,154,212.60 = 682,910.80/x
  3. Step 3: Cross multiply
    2,102,808.40x = 3,154,212.60 × 682,910.80
  4. Step 4: Simplify right side
    2,102,808.40x = 2,154,045,850,036.08
  5. Step 5: Solve for x
    x = 2,154,045,850,036.08/2,102,808.40
  6. Step 6: Final answer
    x = 1,024,366.20

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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.