Finding the Fourth Proportional to 2,738,097.60, 3,778,716.24 and 1,576,716.24
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Solution
The fourth proportional to 2,738,097.60, 3,778,716.24 and 1,576,716.24 is: 2,175,949.92
Step by Step Solution
- Step 1: Write the proportion equation
2,738,097.60 : 3,778,716.24 = 1,576,716.24 : x - Step 2: Convert to fraction form
2,738,097.60/3,778,716.24 = 1,576,716.24/x - Step 3: Cross multiply
2,738,097.60x = 3,778,716.24 × 1,576,716.24 - Step 4: Simplify right side
2,738,097.60x = 5,957,963,261,959.74 - Step 5: Solve for x
x = 5,957,963,261,959.74/2,738,097.60 - Step 6: Final answer
x = 2,175,949.92
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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.