Finding the Fourth Proportional to 2,531,609.83, 3,493,632.70 and 1,370,056.26
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Solution
The fourth proportional to 2,531,609.83, 3,493,632.70 and 1,370,056.26 is: 1,890,683.67
Step by Step Solution
- Step 1: Write the proportion equation
2,531,609.83 : 3,493,632.70 = 1,370,056.26 : x - Step 2: Convert to fraction form
2,531,609.83/3,493,632.70 = 1,370,056.26/x - Step 3: Cross multiply
2,531,609.83x = 3,493,632.70 × 1,370,056.26 - Step 4: Simplify right side
2,531,609.83x = 4,786,473,365,589.39 - Step 5: Solve for x
x = 4,786,473,365,589.39/2,531,609.83 - Step 6: Final answer
x = 1,890,683.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.