Finding the Fourth Proportional to 2,126,386.96, 3,188,297.70 and 847,191.62
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Solution
The fourth proportional to 2,126,386.96, 3,188,297.70 and 847,191.62 is: 1,270,276.37
Step by Step Solution
- Step 1: Write the proportion equation
2,126,386.96 : 3,188,297.70 = 847,191.62 : x - Step 2: Convert to fraction form
2,126,386.96/3,188,297.70 = 847,191.62/x - Step 3: Cross multiply
2,126,386.96x = 3,188,297.70 × 847,191.62 - Step 4: Simplify right side
2,126,386.96x = 2,701,099,101,476.02 - Step 5: Solve for x
x = 2,701,099,101,476.02/2,126,386.96 - Step 6: Final answer
x = 1,270,276.37
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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.