Finding the Fourth Proportional to 5,381,699.94, 8,072,579.07 and 1,392,611.94
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Solution
The fourth proportional to 5,381,699.94, 8,072,579.07 and 1,392,611.94 is: 2,088,925.46
Step by Step Solution
- Step 1: Write the proportion equation
5,381,699.94 : 8,072,579.07 = 1,392,611.94 : x - Step 2: Convert to fraction form
5,381,699.94/8,072,579.07 = 1,392,611.94/x - Step 3: Cross multiply
5,381,699.94x = 8,072,579.07 × 1,392,611.94 - Step 4: Simplify right side
5,381,699.94x = 11,241,969,999,476.10 - Step 5: Solve for x
x = 11,241,969,999,476.10/5,381,699.94 - Step 6: Final answer
x = 2,088,925.46
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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.