Finding the Fourth Proportional to 1,902,936.99, 2,623,512.63 and 1,511,767.89
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Solution
The fourth proportional to 1,902,936.99, 2,623,512.63 and 1,511,767.89 is: 2,084,221.48
Step by Step Solution
- Step 1: Write the proportion equation
1,902,936.99 : 2,623,512.63 = 1,511,767.89 : x - Step 2: Convert to fraction form
1,902,936.99/2,623,512.63 = 1,511,767.89/x - Step 3: Cross multiply
1,902,936.99x = 2,623,512.63 × 1,511,767.89 - Step 4: Simplify right side
1,902,936.99x = 3,966,142,153,043.45 - Step 5: Solve for x
x = 3,966,142,153,043.45/1,902,936.99 - Step 6: Final answer
x = 2,084,221.48
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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.