Finding the Fourth Proportional to 1,902,965.49, 2,626,128.41 and 1,043,474.49
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Solution
The fourth proportional to 1,902,965.49, 2,626,128.41 and 1,043,474.49 is: 1,440,014.55
Step by Step Solution
- Step 1: Write the proportion equation
1,902,965.49 : 2,626,128.41 = 1,043,474.49 : x - Step 2: Convert to fraction form
1,902,965.49/2,626,128.41 = 1,043,474.49/x - Step 3: Cross multiply
1,902,965.49x = 2,626,128.41 × 1,043,474.49 - Step 4: Simplify right side
1,902,965.49x = 2,740,297,998,081.89 - Step 5: Solve for x
x = 2,740,297,998,081.89/1,902,965.49 - Step 6: Final answer
x = 1,440,014.55
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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.