Finding the Fourth Proportional to 5,186,328.92, 7,780,649.26 and 1,592,409.14
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Solution
The fourth proportional to 5,186,328.92, 7,780,649.26 and 1,592,409.14 is: 2,388,968.61
Step by Step Solution
- Step 1: Write the proportion equation
5,186,328.92 : 7,780,649.26 = 1,592,409.14 : x - Step 2: Convert to fraction form
5,186,328.92/7,780,649.26 = 1,592,409.14/x - Step 3: Cross multiply
5,186,328.92x = 7,780,649.26 × 1,592,409.14 - Step 4: Simplify right side
5,186,328.92x = 12,389,976,996,758.23 - Step 5: Solve for x
x = 12,389,976,996,758.23/5,186,328.92 - Step 6: Final answer
x = 2,388,968.61
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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.