Finding the Fourth Proportional to 6,971,670.84, 9,620,696.22 and 3,874,183.80
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Solution
The fourth proportional to 6,971,670.84, 9,620,696.22 and 3,874,183.80 is: 5,346,257.20
Step by Step Solution
- Step 1: Write the proportion equation
6,971,670.84 : 9,620,696.22 = 3,874,183.80 : x - Step 2: Convert to fraction form
6,971,670.84/9,620,696.22 = 3,874,183.80/x - Step 3: Cross multiply
6,971,670.84x = 9,620,696.22 × 3,874,183.80 - Step 4: Simplify right side
6,971,670.84x = 37,272,345,440,245.23 - Step 5: Solve for x
x = 37,272,345,440,245.23/6,971,670.84 - Step 6: Final answer
x = 5,346,257.20
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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.