Finding the Fourth Proportional to 2,251,220.82, 3,106,670.49 and 1,218,721.08
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Solution
The fourth proportional to 2,251,220.82, 3,106,670.49 and 1,218,721.08 is: 1,681,827.38
Step by Step Solution
- Step 1: Write the proportion equation
2,251,220.82 : 3,106,670.49 = 1,218,721.08 : x - Step 2: Convert to fraction form
2,251,220.82/3,106,670.49 = 1,218,721.08/x - Step 3: Cross multiply
2,251,220.82x = 3,106,670.49 × 1,218,721.08 - Step 4: Simplify right side
2,251,220.82x = 3,786,164,814,776.93 - Step 5: Solve for x
x = 3,786,164,814,776.93/2,251,220.82 - Step 6: Final answer
x = 1,681,827.38
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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.