Finding the Fourth Proportional to 7,096,970.75, 9,793,819.64 and 3,877,706.75
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Solution
The fourth proportional to 7,096,970.75, 9,793,819.64 and 3,877,706.75 is: 5,351,235.32
Step by Step Solution
- Step 1: Write the proportion equation
7,096,970.75 : 9,793,819.64 = 3,877,706.75 : x - Step 2: Convert to fraction form
7,096,970.75/9,793,819.64 = 3,877,706.75/x - Step 3: Cross multiply
7,096,970.75x = 9,793,819.64 × 3,877,706.75 - Step 4: Simplify right side
7,096,970.75x = 37,977,560,506,922.04 - Step 5: Solve for x
x = 37,977,560,506,922.04/7,096,970.75 - Step 6: Final answer
x = 5,351,235.32
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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.