Finding the Fourth Proportional to 2,213,976.80, 3,055,293.53 and 1,283,864.84
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Solution
The fourth proportional to 2,213,976.80, 3,055,293.53 and 1,283,864.84 is: 1,771,736.69
Step by Step Solution
- Step 1: Write the proportion equation
2,213,976.80 : 3,055,293.53 = 1,283,864.84 : x - Step 2: Convert to fraction form
2,213,976.80/3,055,293.53 = 1,283,864.84/x - Step 3: Cross multiply
2,213,976.80x = 3,055,293.53 × 1,283,864.84 - Step 4: Simplify right side
2,213,976.80x = 3,922,583,917,350.69 - Step 5: Solve for x
x = 3,922,583,917,350.69/2,213,976.80 - Step 6: Final answer
x = 1,771,736.69
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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.