Finding the Fourth Proportional to 5,753,910.17, 7,940,283.48 and 3,140,432.99
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Solution
The fourth proportional to 5,753,910.17, 7,940,283.48 and 3,140,432.99 is: 4,333,736.09
Step by Step Solution
- Step 1: Write the proportion equation
5,753,910.17 : 7,940,283.48 = 3,140,432.99 : x - Step 2: Convert to fraction form
5,753,910.17/7,940,283.48 = 3,140,432.99/x - Step 3: Cross multiply
5,753,910.17x = 7,940,283.48 × 3,140,432.99 - Step 4: Simplify right side
5,753,910.17x = 24,935,928,190,544.01 - Step 5: Solve for x
x = 24,935,928,190,544.01/5,753,910.17 - Step 6: Final answer
x = 4,333,736.09
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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.