Finding the Fourth Proportional to 2,635,272.36, 3,636,680.58 and 1,428,048.36
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Solution
The fourth proportional to 2,635,272.36, 3,636,680.58 and 1,428,048.36 is: 1,970,709.30
Step by Step Solution
- Step 1: Write the proportion equation
2,635,272.36 : 3,636,680.58 = 1,428,048.36 : x - Step 2: Convert to fraction form
2,635,272.36/3,636,680.58 = 1,428,048.36/x - Step 3: Cross multiply
2,635,272.36x = 3,636,680.58 × 1,428,048.36 - Step 4: Simplify right side
2,635,272.36x = 5,193,355,738,112.85 - Step 5: Solve for x
x = 5,193,355,738,112.85/2,635,272.36 - Step 6: Final answer
x = 1,970,709.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.