Finding the Fourth Proportional to 2,114,616.40, 2,918,092.46 and 1,147,725.99
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Solution
The fourth proportional to 2,114,616.40, 2,918,092.46 and 1,147,725.99 is: 1,583,819.44
Step by Step Solution
- Step 1: Write the proportion equation
2,114,616.40 : 2,918,092.46 = 1,147,725.99 : x - Step 2: Convert to fraction form
2,114,616.40/2,918,092.46 = 1,147,725.99/x - Step 3: Cross multiply
2,114,616.40x = 2,918,092.46 × 1,147,725.99 - Step 4: Simplify right side
2,114,616.40x = 3,349,170,551,826.41 - Step 5: Solve for x
x = 3,349,170,551,826.41/2,114,616.40 - Step 6: Final answer
x = 1,583,819.44
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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.