Home / 3,820,284.81-5,731,136.01-1,261,677.06

Finding the Fourth Proportional to 3,820,284.81, 5,731,136.01 and 1,261,677.06

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Solution

The fourth proportional to 3,820,284.81, 5,731,136.01 and 1,261,677.06 is: 1,892,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,284.81 : 5,731,136.01 = 1,261,677.06 : x
  2. Step 2: Convert to fraction form
    3,820,284.81/5,731,136.01 = 1,261,677.06/x
  3. Step 3: Cross multiply
    3,820,284.81x = 5,731,136.01 × 1,261,677.06
  4. Step 4: Simplify right side
    3,820,284.81x = 7,230,842,831,556.93
  5. Step 5: Solve for x
    x = 7,230,842,831,556.93/3,820,284.81
  6. Step 6: Final answer
    x = 1,892,749.67

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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.