Home / 2,606,814.40-3,910,221.60-809,683.60

Finding the Fourth Proportional to 2,606,814.40, 3,910,221.60 and 809,683.60

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Solution

The fourth proportional to 2,606,814.40, 3,910,221.60 and 809,683.60 is: 1,214,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606,814.40 : 3,910,221.60 = 809,683.60 : x
  2. Step 2: Convert to fraction form
    2,606,814.40/3,910,221.60 = 809,683.60/x
  3. Step 3: Cross multiply
    2,606,814.40x = 3,910,221.60 × 809,683.60
  4. Step 4: Simplify right side
    2,606,814.40x = 3,166,042,301,885.76
  5. Step 5: Solve for x
    x = 3,166,042,301,885.76/2,606,814.40
  6. Step 6: Final answer
    x = 1,214,525.40

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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.