Finding the Fourth Proportional to 1,661,181.02, 2,292,936.48 and 963,638.12
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Solution
The fourth proportional to 1,661,181.02, 2,292,936.48 and 963,638.12 is: 1,330,114.52
Step by Step Solution
- Step 1: Write the proportion equation
1,661,181.02 : 2,292,936.48 = 963,638.12 : x - Step 2: Convert to fraction form
1,661,181.02/2,292,936.48 = 963,638.12/x - Step 3: Cross multiply
1,661,181.02x = 2,292,936.48 × 963,638.12 - Step 4: Simplify right side
1,661,181.02x = 2,209,560,998,866.62 - Step 5: Solve for x
x = 2,209,560,998,866.62/1,661,181.02 - Step 6: Final answer
x = 1,330,114.52
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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.