Finding the Fourth Proportional to 5,554,480.68, 7,664,823.27 and 3,106,668.15
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Solution
The fourth proportional to 5,554,480.68, 7,664,823.27 and 3,106,668.15 is: 4,287,000.66
Step by Step Solution
- Step 1: Write the proportion equation
5,554,480.68 : 7,664,823.27 = 3,106,668.15 : x - Step 2: Convert to fraction form
5,554,480.68/7,664,823.27 = 3,106,668.15/x - Step 3: Cross multiply
5,554,480.68x = 7,664,823.27 × 3,106,668.15 - Step 4: Simplify right side
5,554,480.68x = 23,812,062,328,287.85 - Step 5: Solve for x
x = 23,812,062,328,287.85/5,554,480.68 - Step 6: Final answer
x = 4,287,000.66
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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.