Finding the Fourth Proportional to 4,965,324.72, 7,447,972.92 and 1,322,054.28
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Solution
The fourth proportional to 4,965,324.72, 7,447,972.92 and 1,322,054.28 is: 1,983,077.65
Step by Step Solution
- Step 1: Write the proportion equation
4,965,324.72 : 7,447,972.92 = 1,322,054.28 : x - Step 2: Convert to fraction form
4,965,324.72/7,447,972.92 = 1,322,054.28/x - Step 3: Cross multiply
4,965,324.72x = 7,447,972.92 × 1,322,054.28 - Step 4: Simplify right side
4,965,324.72x = 9,846,624,476,210.10 - Step 5: Solve for x
x = 9,846,624,476,210.10/4,965,324.72 - Step 6: Final answer
x = 1,983,077.65
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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.