Finding the Fourth Proportional to 2,116,846.48, 2,921,268.36 and 1,149,984.04
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Solution
The fourth proportional to 2,116,846.48, 2,921,268.36 and 1,149,984.04 is: 1,586,988.96
Step by Step Solution
- Step 1: Write the proportion equation
2,116,846.48 : 2,921,268.36 = 1,149,984.04 : x - Step 2: Convert to fraction form
2,116,846.48/2,921,268.36 = 1,149,984.04/x - Step 3: Cross multiply
2,116,846.48x = 2,921,268.36 × 1,149,984.04 - Step 4: Simplify right side
2,116,846.48x = 3,359,411,990,556.97 - Step 5: Solve for x
x = 3,359,411,990,556.97/2,116,846.48 - Step 6: Final answer
x = 1,586,988.96
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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.