Finding the Fourth Proportional to 5,404,830.80, 7,458,833.81 and 2,957,544.99
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Solution
The fourth proportional to 5,404,830.80, 7,458,833.81 and 2,957,544.99 is: 4,081,503.64
Step by Step Solution
- Step 1: Write the proportion equation
5,404,830.80 : 7,458,833.81 = 2,957,544.99 : x - Step 2: Convert to fraction form
5,404,830.80/7,458,833.81 = 2,957,544.99/x - Step 3: Cross multiply
5,404,830.80x = 7,458,833.81 × 2,957,544.99 - Step 4: Simplify right side
5,404,830.80x = 22,059,836,573,401.98 - Step 5: Solve for x
x = 22,059,836,573,401.98/5,404,830.80 - Step 6: Final answer
x = 4,081,503.64
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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.