Finding the Fourth Proportional to 5,667,787.62, 7,821,251.82 and 3,220,058.97
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Solution
The fourth proportional to 5,667,787.62, 7,821,251.82 and 3,220,058.97 is: 4,443,513.72
Step by Step Solution
- Step 1: Write the proportion equation
5,667,787.62 : 7,821,251.82 = 3,220,058.97 : x - Step 2: Convert to fraction form
5,667,787.62/7,821,251.82 = 3,220,058.97/x - Step 3: Cross multiply
5,667,787.62x = 7,821,251.82 × 3,220,058.97 - Step 4: Simplify right side
5,667,787.62x = 25,184,892,079,619.83 - Step 5: Solve for x
x = 25,184,892,079,619.83/5,667,787.62 - Step 6: Final answer
x = 4,443,513.72
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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.