Finding the Fourth Proportional to 2,981,292.80, 4,116,741.62 and 2,884,886.06
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Solution
The fourth proportional to 2,981,292.80, 4,116,741.62 and 2,884,886.06 is: 3,983,617.61
Step by Step Solution
- Step 1: Write the proportion equation
2,981,292.80 : 4,116,741.62 = 2,884,886.06 : x - Step 2: Convert to fraction form
2,981,292.80/4,116,741.62 = 2,884,886.06/x - Step 3: Cross multiply
2,981,292.80x = 4,116,741.62 × 2,884,886.06 - Step 4: Simplify right side
2,981,292.80x = 11,876,330,477,151.68 - Step 5: Solve for x
x = 11,876,330,477,151.68/2,981,292.80 - Step 6: Final answer
x = 3,983,617.61
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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.