Finding the Fourth Proportional to 2,246,721.70, 3,370,082.55 and 2,122,718.80
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Solution
The fourth proportional to 2,246,721.70, 3,370,082.55 and 2,122,718.80 is: 3,184,078.20
Step by Step Solution
- Step 1: Write the proportion equation
2,246,721.70 : 3,370,082.55 = 2,122,718.80 : x - Step 2: Convert to fraction form
2,246,721.70/3,370,082.55 = 2,122,718.80/x - Step 3: Cross multiply
2,246,721.70x = 3,370,082.55 × 2,122,718.80 - Step 4: Simplify right side
2,246,721.70x = 7,153,737,586,436.94 - Step 5: Solve for x
x = 7,153,737,586,436.94/2,246,721.70 - Step 6: Final answer
x = 3,184,078.20
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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.