Finding the Fourth Proportional to 3,711,270.72, 5,121,466.68 and 2,183,476.08
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Solution
The fourth proportional to 3,711,270.72, 5,121,466.68 and 2,183,476.08 is: 3,013,145.86
Step by Step Solution
- Step 1: Write the proportion equation
3,711,270.72 : 5,121,466.68 = 2,183,476.08 : x - Step 2: Convert to fraction form
3,711,270.72/5,121,466.68 = 2,183,476.08/x - Step 3: Cross multiply
3,711,270.72x = 5,121,466.68 × 2,183,476.08 - Step 4: Simplify right side
3,711,270.72x = 11,182,599,990,297.01 - Step 5: Solve for x
x = 11,182,599,990,297.01/3,711,270.72 - Step 6: Final answer
x = 3,013,145.86
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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.