Finding the Fourth Proportional to 6,457,067.15, 8,910,921.38 and 3,516,995.70
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Solution
The fourth proportional to 6,457,067.15, 8,910,921.38 and 3,516,995.70 is: 4,853,545.96
Step by Step Solution
- Step 1: Write the proportion equation
6,457,067.15 : 8,910,921.38 = 3,516,995.70 : x - Step 2: Convert to fraction form
6,457,067.15/8,910,921.38 = 3,516,995.70/x - Step 3: Cross multiply
6,457,067.15x = 8,910,921.38 × 3,516,995.70 - Step 4: Simplify right side
6,457,067.15x = 31,339,672,158,913.09 - Step 5: Solve for x
x = 31,339,672,158,913.09/6,457,067.15 - Step 6: Final answer
x = 4,853,545.96
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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.