Finding the Fourth Proportional to 4,921,915.64, 6,791,229.27 and 2,828,353.19
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Solution
The fourth proportional to 4,921,915.64, 6,791,229.27 and 2,828,353.19 is: 3,902,544.53
Step by Step Solution
- Step 1: Write the proportion equation
4,921,915.64 : 6,791,229.27 = 2,828,353.19 : x - Step 2: Convert to fraction form
4,921,915.64/6,791,229.27 = 2,828,353.19/x - Step 3: Cross multiply
4,921,915.64x = 6,791,229.27 × 2,828,353.19 - Step 4: Simplify right side
4,921,915.64x = 19,207,994,935,869.72 - Step 5: Solve for x
x = 19,207,994,935,869.72/4,921,915.64 - Step 6: Final answer
x = 3,902,544.53
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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.