Finding the Fourth Proportional to 2,412,188.98, 3,328,797.80 and 1,324,451.05
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Solution
The fourth proportional to 2,412,188.98, 3,328,797.80 and 1,324,451.05 is: 1,827,729.82
Step by Step Solution
- Step 1: Write the proportion equation
2,412,188.98 : 3,328,797.80 = 1,324,451.05 : x - Step 2: Convert to fraction form
2,412,188.98/3,328,797.80 = 1,324,451.05/x - Step 3: Cross multiply
2,412,188.98x = 3,328,797.80 × 1,324,451.05 - Step 4: Simplify right side
2,412,188.98x = 4,408,829,736,436.82 - Step 5: Solve for x
x = 4,408,829,736,436.82/2,412,188.98 - Step 6: Final answer
x = 1,827,729.82
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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.