Home / 2,106,282.20-3,154,757.70-843,459.80

Finding the Fourth Proportional to 2,106,282.20, 3,154,757.70 and 843,459.80

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Solution

The fourth proportional to 2,106,282.20, 3,154,757.70 and 843,459.80 is: 1,263,321.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,282.20 : 3,154,757.70 = 843,459.80 : x
  2. Step 2: Convert to fraction form
    2,106,282.20/3,154,757.70 = 843,459.80/x
  3. Step 3: Cross multiply
    2,106,282.20x = 3,154,757.70 × 843,459.80
  4. Step 4: Simplify right side
    2,106,282.20x = 2,660,911,298,690.46
  5. Step 5: Solve for x
    x = 2,660,911,298,690.46/2,106,282.20
  6. Step 6: Final answer
    x = 1,263,321.36

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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.