Finding the Fourth Proportional to 3,994,272, 5,512,095.36 and 2,183,448.96
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Solution
The fourth proportional to 3,994,272, 5,512,095.36 and 2,183,448.96 is: 3,013,159.56
Step by Step Solution
- Step 1: Write the proportion equation
3,994,272 : 5,512,095.36 = 2,183,448.96 : x - Step 2: Convert to fraction form
3,994,272/5,512,095.36 = 2,183,448.96/x - Step 3: Cross multiply
3,994,272x = 5,512,095.36 × 2,183,448.96 - Step 4: Simplify right side
3,994,272x = 12,035,378,881,212.83 - Step 5: Solve for x
x = 12,035,378,881,212.83/3,994,272 - Step 6: Final answer
x = 3,013,159.56
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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.