Home / 2,639,683.37-3,640,881.25-2,422,591.81

Finding the Fourth Proportional to 2,639,683.37, 3,640,881.25 and 2,422,591.81

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Solution

The fourth proportional to 2,639,683.37, 3,640,881.25 and 2,422,591.81 is: 3,341,449.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,683.37 : 3,640,881.25 = 2,422,591.81 : x
  2. Step 2: Convert to fraction form
    2,639,683.37/3,640,881.25 = 2,422,591.81/x
  3. Step 3: Cross multiply
    2,639,683.37x = 3,640,881.25 × 2,422,591.81
  4. Step 4: Simplify right side
    2,639,683.37x = 8,820,369,091,358.60
  5. Step 5: Solve for x
    x = 8,820,369,091,358.60/2,639,683.37
  6. Step 6: Final answer
    x = 3,341,449.66

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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.