Finding the Fourth Proportional to 1,997,710.72, 2,996,175.12 and 1,662,902.08
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Solution
The fourth proportional to 1,997,710.72, 2,996,175.12 and 1,662,902.08 is: 2,494,027.68
Step by Step Solution
- Step 1: Write the proportion equation
1,997,710.72 : 2,996,175.12 = 1,662,902.08 : x - Step 2: Convert to fraction form
1,997,710.72/2,996,175.12 = 1,662,902.08/x - Step 3: Cross multiply
1,997,710.72x = 2,996,175.12 × 1,662,902.08 - Step 4: Simplify right side
1,997,710.72x = 4,982,345,839,092.25 - Step 5: Solve for x
x = 4,982,345,839,092.25/1,997,710.72 - Step 6: Final answer
x = 2,494,027.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.