Finding the Fourth Proportional to 3,194,869.87, 4,791,431.94 and 1,145,148.38
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Solution
The fourth proportional to 3,194,869.87, 4,791,431.94 and 1,145,148.38 is: 1,717,409.71
Step by Step Solution
- Step 1: Write the proportion equation
3,194,869.87 : 4,791,431.94 = 1,145,148.38 : x - Step 2: Convert to fraction form
3,194,869.87/4,791,431.94 = 1,145,148.38/x - Step 3: Cross multiply
3,194,869.87x = 4,791,431.94 × 1,145,148.38 - Step 4: Simplify right side
3,194,869.87x = 5,486,900,523,971.26 - Step 5: Solve for x
x = 5,486,900,523,971.26/3,194,869.87 - Step 6: Final answer
x = 1,717,409.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.