Finding the Fourth Proportional to 4,078,372.94, 5,628,007.41 and 2,242,815.74
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Solution
The fourth proportional to 4,078,372.94, 5,628,007.41 and 2,242,815.74 is: 3,095,004.75
Step by Step Solution
- Step 1: Write the proportion equation
4,078,372.94 : 5,628,007.41 = 2,242,815.74 : x - Step 2: Convert to fraction form
4,078,372.94/5,628,007.41 = 2,242,815.74/x - Step 3: Cross multiply
4,078,372.94x = 5,628,007.41 × 2,242,815.74 - Step 4: Simplify right side
4,078,372.94x = 12,622,583,603,984.63 - Step 5: Solve for x
x = 12,622,583,603,984.63/4,078,372.94 - Step 6: Final answer
x = 3,095,004.75
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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.