Home / 2,909,399.25-4,014,683.50-1,620,359.58

Finding the Fourth Proportional to 2,909,399.25, 4,014,683.50 and 1,620,359.58

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Solution

The fourth proportional to 2,909,399.25, 4,014,683.50 and 1,620,359.58 is: 2,235,936.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,399.25 : 4,014,683.50 = 1,620,359.58 : x
  2. Step 2: Convert to fraction form
    2,909,399.25/4,014,683.50 = 1,620,359.58/x
  3. Step 3: Cross multiply
    2,909,399.25x = 4,014,683.50 × 1,620,359.58
  4. Step 4: Simplify right side
    2,909,399.25x = 6,505,230,861,791.13
  5. Step 5: Solve for x
    x = 6,505,230,861,791.13/2,909,399.25
  6. Step 6: Final answer
    x = 2,235,936.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.