Finding the Fourth Proportional to 5,531,299.92, 7,633,695.24 and 3,356,394.12
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Solution
The fourth proportional to 5,531,299.92, 7,633,695.24 and 3,356,394.12 is: 4,632,128.11
Step by Step Solution
- Step 1: Write the proportion equation
5,531,299.92 : 7,633,695.24 = 3,356,394.12 : x - Step 2: Convert to fraction form
5,531,299.92/7,633,695.24 = 3,356,394.12/x - Step 3: Cross multiply
5,531,299.92x = 7,633,695.24 × 3,356,394.12 - Step 4: Simplify right side
5,531,299.92x = 25,621,689,817,407.99 - Step 5: Solve for x
x = 25,621,689,817,407.99/5,531,299.92 - Step 6: Final answer
x = 4,632,128.11
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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.