Finding the Fourth Proportional to 5,165,683.74, 7,745,844.69 and 1,521,940.68
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Solution
The fourth proportional to 5,165,683.74, 7,745,844.69 and 1,521,940.68 is: 2,282,121.15
Step by Step Solution
- Step 1: Write the proportion equation
5,165,683.74 : 7,745,844.69 = 1,521,940.68 : x - Step 2: Convert to fraction form
5,165,683.74/7,745,844.69 = 1,521,940.68/x - Step 3: Cross multiply
5,165,683.74x = 7,745,844.69 × 1,521,940.68 - Step 4: Simplify right side
5,165,683.74x = 11,788,716,134,672.99 - Step 5: Solve for x
x = 11,788,716,134,672.99/5,165,683.74 - Step 6: Final answer
x = 2,282,121.15
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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.