Finding the Fourth Proportional to 3,781,253.98, 5,218,192.70 and 2,062,374.49
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Solution
The fourth proportional to 3,781,253.98, 5,218,192.70 and 2,062,374.49 is: 2,846,110.73
Step by Step Solution
- Step 1: Write the proportion equation
3,781,253.98 : 5,218,192.70 = 2,062,374.49 : x - Step 2: Convert to fraction form
3,781,253.98/5,218,192.70 = 2,062,374.49/x - Step 3: Cross multiply
3,781,253.98x = 5,218,192.70 × 2,062,374.49 - Step 4: Simplify right side
3,781,253.98x = 10,761,867,508,384.22 - Step 5: Solve for x
x = 10,761,867,508,384.22/3,781,253.98 - Step 6: Final answer
x = 2,846,110.73
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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.