Home / 2,688,699.39-4,029,194.56-2,150,583.02

Finding the Fourth Proportional to 2,688,699.39, 4,029,194.56 and 2,150,583.02

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Solution

The fourth proportional to 2,688,699.39, 4,029,194.56 and 2,150,583.02 is: 3,222,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,699.39 : 4,029,194.56 = 2,150,583.02 : x
  2. Step 2: Convert to fraction form
    2,688,699.39/4,029,194.56 = 2,150,583.02/x
  3. Step 3: Cross multiply
    2,688,699.39x = 4,029,194.56 × 2,150,583.02
  4. Step 4: Simplify right side
    2,688,699.39x = 8,665,117,405,012.37
  5. Step 5: Solve for x
    x = 8,665,117,405,012.37/2,688,699.39
  6. Step 6: Final answer
    x = 3,222,791.45

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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.