Finding the Fourth Proportional to 5,113,972.44, 7,057,323.18 and 2,790,883.26
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Solution
The fourth proportional to 5,113,972.44, 7,057,323.18 and 2,790,883.26 is: 3,851,441.39
Step by Step Solution
- Step 1: Write the proportion equation
5,113,972.44 : 7,057,323.18 = 2,790,883.26 : x - Step 2: Convert to fraction form
5,113,972.44/7,057,323.18 = 2,790,883.26/x - Step 3: Cross multiply
5,113,972.44x = 7,057,323.18 × 2,790,883.26 - Step 4: Simplify right side
5,113,972.44x = 19,696,165,123,471.96 - Step 5: Solve for x
x = 19,696,165,123,471.96/5,113,972.44 - Step 6: Final answer
x = 3,851,441.39
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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.