Finding the Fourth Proportional to 5,861,521.68, 8,091,670.41 and 3,929,044.74
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Solution
The fourth proportional to 5,861,521.68, 8,091,670.41 and 3,929,044.74 is: 5,423,938.83
Step by Step Solution
- Step 1: Write the proportion equation
5,861,521.68 : 8,091,670.41 = 3,929,044.74 : x - Step 2: Convert to fraction form
5,861,521.68/8,091,670.41 = 3,929,044.74/x - Step 3: Cross multiply
5,861,521.68x = 8,091,670.41 × 3,929,044.74 - Step 4: Simplify right side
5,861,521.68x = 31,792,535,062,224.14 - Step 5: Solve for x
x = 31,792,535,062,224.14/5,861,521.68 - Step 6: Final answer
x = 5,423,938.83
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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.