Finding the Fourth Proportional to 4,067,858.92, 5,639,363.95 and 3,852,152.68
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Solution
The fourth proportional to 4,067,858.92, 5,639,363.95 and 3,852,152.68 is: 5,340,325.56
Step by Step Solution
- Step 1: Write the proportion equation
4,067,858.92 : 5,639,363.95 = 3,852,152.68 : x - Step 2: Convert to fraction form
4,067,858.92/5,639,363.95 = 3,852,152.68/x - Step 3: Cross multiply
4,067,858.92x = 5,639,363.95 × 3,852,152.68 - Step 4: Simplify right side
4,067,858.92x = 21,723,690,953,487.89 - Step 5: Solve for x
x = 21,723,690,953,487.89/4,067,858.92 - Step 6: Final answer
x = 5,340,325.56
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.