Finding the Fourth Proportional to 5,776,707.68, 7,972,105.71 and 3,198,388.46
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Solution
The fourth proportional to 5,776,707.68, 7,972,105.71 and 3,198,388.46 is: 4,413,913.99
Step by Step Solution
- Step 1: Write the proportion equation
5,776,707.68 : 7,972,105.71 = 3,198,388.46 : x - Step 2: Convert to fraction form
5,776,707.68/7,972,105.71 = 3,198,388.46/x - Step 3: Cross multiply
5,776,707.68x = 7,972,105.71 × 3,198,388.46 - Step 4: Simplify right side
5,776,707.68x = 25,497,890,864,903.58 - Step 5: Solve for x
x = 25,497,890,864,903.58/5,776,707.68 - Step 6: Final answer
x = 4,413,913.99
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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.