Finding the Fourth Proportional to 5,776,746.81, 7,972,034.94 and 3,163,361.19
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Solution
The fourth proportional to 5,776,746.81, 7,972,034.94 and 3,163,361.19 is: 4,365,506.53
Step by Step Solution
- Step 1: Write the proportion equation
5,776,746.81 : 7,972,034.94 = 3,163,361.19 : x - Step 2: Convert to fraction form
5,776,746.81/7,972,034.94 = 3,163,361.19/x - Step 3: Cross multiply
5,776,746.81x = 7,972,034.94 × 3,163,361.19 - Step 4: Simplify right side
5,776,746.81x = 25,218,425,934,519.98 - Step 5: Solve for x
x = 25,218,425,934,519.98/5,776,746.81 - Step 6: Final answer
x = 4,365,506.53
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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.