Finding the Fourth Proportional to 5,894,943.90, 8,842,415.28 and 1,635,112.32
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Solution
The fourth proportional to 5,894,943.90, 8,842,415.28 and 1,635,112.32 is: 2,452,668.32
Step by Step Solution
- Step 1: Write the proportion equation
5,894,943.90 : 8,842,415.28 = 1,635,112.32 : x - Step 2: Convert to fraction form
5,894,943.90/8,842,415.28 = 1,635,112.32/x - Step 3: Cross multiply
5,894,943.90x = 8,842,415.28 × 1,635,112.32 - Step 4: Simplify right side
5,894,943.90x = 14,458,342,162,884.25 - Step 5: Solve for x
x = 14,458,342,162,884.25/5,894,943.90 - Step 6: Final answer
x = 2,452,668.32
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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.