Finding the Fourth Proportional to 7,270,436.47, 10,905,680.63 and 2,221,725.91
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Solution
The fourth proportional to 7,270,436.47, 10,905,680.63 and 2,221,725.91 is: 3,332,596.79
Step by Step Solution
- Step 1: Write the proportion equation
7,270,436.47 : 10,905,680.63 = 2,221,725.91 : x - Step 2: Convert to fraction form
7,270,436.47/10,905,680.63 = 2,221,725.91/x - Step 3: Cross multiply
7,270,436.47x = 10,905,680.63 × 2,221,725.91 - Step 4: Simplify right side
7,270,436.47x = 24,229,433,221,856.12 - Step 5: Solve for x
x = 24,229,433,221,856.12/7,270,436.47 - Step 6: Final answer
x = 3,332,596.79
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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.