Finding the Fourth Proportional to 1,660,048.20, 2,492,405.10 and 1,030,192.20
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Solution
The fourth proportional to 1,660,048.20, 2,492,405.10 and 1,030,192.20 is: 1,546,735.99
Step by Step Solution
- Step 1: Write the proportion equation
1,660,048.20 : 2,492,405.10 = 1,030,192.20 : x - Step 2: Convert to fraction form
1,660,048.20/2,492,405.10 = 1,030,192.20/x - Step 3: Cross multiply
1,660,048.20x = 2,492,405.10 × 1,030,192.20 - Step 4: Simplify right side
1,660,048.20x = 2,567,656,293,260.22 - Step 5: Solve for x
x = 2,567,656,293,260.22/1,660,048.20 - Step 6: Final answer
x = 1,546,735.99
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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.