Finding the Fourth Proportional to 4,293,240.70, 6,434,331.45 and 3,291,000.70
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Solution
The fourth proportional to 4,293,240.70, 6,434,331.45 and 3,291,000.70 is: 4,932,262.31
Step by Step Solution
- Step 1: Write the proportion equation
4,293,240.70 : 6,434,331.45 = 3,291,000.70 : x - Step 2: Convert to fraction form
4,293,240.70/6,434,331.45 = 3,291,000.70/x - Step 3: Cross multiply
4,293,240.70x = 6,434,331.45 × 3,291,000.70 - Step 4: Simplify right side
4,293,240.70x = 21,175,389,305,982.02 - Step 5: Solve for x
x = 21,175,389,305,982.02/4,293,240.70 - Step 6: Final answer
x = 4,932,262.31
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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.