Finding the Fourth Proportional to 5,458,818.56, 8,190,039.84 and 1,672,338.56
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Solution
The fourth proportional to 5,458,818.56, 8,190,039.84 and 1,672,338.56 is: 2,509,062.96
Step by Step Solution
- Step 1: Write the proportion equation
5,458,818.56 : 8,190,039.84 = 1,672,338.56 : x - Step 2: Convert to fraction form
5,458,818.56/8,190,039.84 = 1,672,338.56/x - Step 3: Cross multiply
5,458,818.56x = 8,190,039.84 × 1,672,338.56 - Step 4: Simplify right side
5,458,818.56x = 13,696,519,432,368.23 - Step 5: Solve for x
x = 13,696,519,432,368.23/5,458,818.56 - Step 6: Final answer
x = 2,509,062.96
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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.