Finding the Fourth Proportional to 1,670,244.70, 2,505,345.18 and 408,083.26
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Solution
The fourth proportional to 1,670,244.70, 2,505,345.18 and 408,083.26 is: 612,119.55
Step by Step Solution
- Step 1: Write the proportion equation
1,670,244.70 : 2,505,345.18 = 408,083.26 : x - Step 2: Convert to fraction form
1,670,244.70/2,505,345.18 = 408,083.26/x - Step 3: Cross multiply
1,670,244.70x = 2,505,345.18 × 408,083.26 - Step 4: Simplify right side
1,670,244.70x = 1,022,389,428,479.69 - Step 5: Solve for x
x = 1,022,389,428,479.69/1,670,244.70 - Step 6: Final answer
x = 612,119.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.