Finding the Fourth Proportional to 1,663,946.83, 2,279,596.25 and 1,601,724.97
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Solution
The fourth proportional to 1,663,946.83, 2,279,596.25 and 1,601,724.97 is: 2,194,352.71
Step by Step Solution
- Step 1: Write the proportion equation
1,663,946.83 : 2,279,596.25 = 1,601,724.97 : x - Step 2: Convert to fraction form
1,663,946.83/2,279,596.25 = 1,601,724.97/x - Step 3: Cross multiply
1,663,946.83x = 2,279,596.25 × 1,601,724.97 - Step 4: Simplify right side
1,663,946.83x = 3,651,286,227,134.74 - Step 5: Solve for x
x = 3,651,286,227,134.74/1,663,946.83 - Step 6: Final answer
x = 2,194,352.71
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.