Finding the Fourth Proportional to 5,274,272.64, 7,278,639.36 and 2,982,776
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Solution
The fourth proportional to 5,274,272.64, 7,278,639.36 and 2,982,776 is: 4,116,311.82
Step by Step Solution
- Step 1: Write the proportion equation
5,274,272.64 : 7,278,639.36 = 2,982,776 : x - Step 2: Convert to fraction form
5,274,272.64/7,278,639.36 = 2,982,776/x - Step 3: Cross multiply
5,274,272.64x = 7,278,639.36 × 2,982,776 - Step 4: Simplify right side
5,274,272.64x = 21,710,550,795,663.36 - Step 5: Solve for x
x = 21,710,550,795,663.36/5,274,272.64 - Step 6: Final answer
x = 4,116,311.82
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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.