Finding the Fourth Proportional to 2,688,364.26, 3,709,940.64 and 1,481,140.26
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Solution
The fourth proportional to 2,688,364.26, 3,709,940.64 and 1,481,140.26 is: 2,043,972.44
Step by Step Solution
- Step 1: Write the proportion equation
2,688,364.26 : 3,709,940.64 = 1,481,140.26 : x - Step 2: Convert to fraction form
2,688,364.26/3,709,940.64 = 1,481,140.26/x - Step 3: Cross multiply
2,688,364.26x = 3,709,940.64 × 1,481,140.26 - Step 4: Simplify right side
2,688,364.26x = 5,494,942,444,114.17 - Step 5: Solve for x
x = 5,494,942,444,114.17/2,688,364.26 - Step 6: Final answer
x = 2,043,972.44
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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.