Home / 4,340,628.39-5,988,845.52-3,420,003.45

Finding the Fourth Proportional to 4,340,628.39, 5,988,845.52 and 3,420,003.45

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Solution

The fourth proportional to 4,340,628.39, 5,988,845.52 and 3,420,003.45 is: 4,718,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340,628.39 : 5,988,845.52 = 3,420,003.45 : x
  2. Step 2: Convert to fraction form
    4,340,628.39/5,988,845.52 = 3,420,003.45/x
  3. Step 3: Cross multiply
    4,340,628.39x = 5,988,845.52 × 3,420,003.45
  4. Step 4: Simplify right side
    4,340,628.39x = 20,481,872,339,917.04
  5. Step 5: Solve for x
    x = 20,481,872,339,917.04/4,340,628.39
  6. Step 6: Final answer
    x = 4,718,642.21

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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.