Finding the Fourth Proportional to 4,689,342.15, 6,471,292.16 and 2,543,166.15
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Solution
The fourth proportional to 4,689,342.15, 6,471,292.16 and 2,543,166.15 is: 3,509,569.28
Step by Step Solution
- Step 1: Write the proportion equation
4,689,342.15 : 6,471,292.16 = 2,543,166.15 : x - Step 2: Convert to fraction form
4,689,342.15/6,471,292.16 = 2,543,166.15/x - Step 3: Cross multiply
4,689,342.15x = 6,471,292.16 × 2,543,166.15 - Step 4: Simplify right side
4,689,342.15x = 16,457,571,150,162.96 - Step 5: Solve for x
x = 16,457,571,150,162.96/4,689,342.15 - Step 6: Final answer
x = 3,509,569.28
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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.