Finding the Fourth Proportional to 1,512,302.25, 2,268,451.30 and 702,243.70
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Solution
The fourth proportional to 1,512,302.25, 2,268,451.30 and 702,243.70 is: 1,053,364.58
Step by Step Solution
- Step 1: Write the proportion equation
1,512,302.25 : 2,268,451.30 = 702,243.70 : x - Step 2: Convert to fraction form
1,512,302.25/2,268,451.30 = 702,243.70/x - Step 3: Cross multiply
1,512,302.25x = 2,268,451.30 × 702,243.70 - Step 4: Simplify right side
1,512,302.25x = 1,593,005,628,071.78 - Step 5: Solve for x
x = 1,593,005,628,071.78/1,512,302.25 - Step 6: Final answer
x = 1,053,364.58
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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.