Finding the Fourth Proportional to 4,343,247.66, 6,514,921.65 and 1,310,639.79
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Solution
The fourth proportional to 4,343,247.66, 6,514,921.65 and 1,310,639.79 is: 1,965,974.82
Step by Step Solution
- Step 1: Write the proportion equation
4,343,247.66 : 6,514,921.65 = 1,310,639.79 : x - Step 2: Convert to fraction form
4,343,247.66/6,514,921.65 = 1,310,639.79/x - Step 3: Cross multiply
4,343,247.66x = 6,514,921.65 × 1,310,639.79 - Step 4: Simplify right side
4,343,247.66x = 8,538,715,543,222.45 - Step 5: Solve for x
x = 8,538,715,543,222.45/4,343,247.66 - Step 6: Final answer
x = 1,965,974.82
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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.