Finding the Fourth Proportional to 5,431,867.68, 8,148,391.80 and 2,019,754.02
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Solution
The fourth proportional to 5,431,867.68, 8,148,391.80 and 2,019,754.02 is: 3,029,850.51
Step by Step Solution
- Step 1: Write the proportion equation
5,431,867.68 : 8,148,391.80 = 2,019,754.02 : x - Step 2: Convert to fraction form
5,431,867.68/8,148,391.80 = 2,019,754.02/x - Step 3: Cross multiply
5,431,867.68x = 8,148,391.80 × 2,019,754.02 - Step 4: Simplify right side
5,431,867.68x = 16,457,747,053,843.08 - Step 5: Solve for x
x = 16,457,747,053,843.08/5,431,867.68 - Step 6: Final answer
x = 3,029,850.51
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.