Finding the Fourth Proportional to 3,787,431.24, 5,226,646.76 and 2,068,551.84
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Solution
The fourth proportional to 3,787,431.24, 5,226,646.76 and 2,068,551.84 is: 2,854,596.98
Step by Step Solution
- Step 1: Write the proportion equation
3,787,431.24 : 5,226,646.76 = 2,068,551.84 : x - Step 2: Convert to fraction form
3,787,431.24/5,226,646.76 = 2,068,551.84/x - Step 3: Cross multiply
3,787,431.24x = 5,226,646.76 × 2,068,551.84 - Step 4: Simplify right side
3,787,431.24x = 10,811,589,772,428.04 - Step 5: Solve for x
x = 10,811,589,772,428.04/3,787,431.24 - Step 6: Final answer
x = 2,854,596.98
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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.