Finding the Fourth Proportional to 4,117,933.26, 6,179,053.68 and 2,990,012.40
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Solution
The fourth proportional to 4,117,933.26, 6,179,053.68 and 2,990,012.40 is: 4,486,582.46
Step by Step Solution
- Step 1: Write the proportion equation
4,117,933.26 : 6,179,053.68 = 2,990,012.40 : x - Step 2: Convert to fraction form
4,117,933.26/6,179,053.68 = 2,990,012.40/x - Step 3: Cross multiply
4,117,933.26x = 6,179,053.68 × 2,990,012.40 - Step 4: Simplify right side
4,117,933.26x = 18,475,447,123,465.63 - Step 5: Solve for x
x = 18,475,447,123,465.63/4,117,933.26 - Step 6: Final answer
x = 4,486,582.46
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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.