Finding the Fourth Proportional to 5,876,218.70, 8,814,328.05 and 5,129,722.70
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Solution
The fourth proportional to 5,876,218.70, 8,814,328.05 and 5,129,722.70 is: 7,694,584.05
Step by Step Solution
- Step 1: Write the proportion equation
5,876,218.70 : 8,814,328.05 = 5,129,722.70 : x - Step 2: Convert to fraction form
5,876,218.70/8,814,328.05 = 5,129,722.70/x - Step 3: Cross multiply
5,876,218.70x = 8,814,328.05 × 5,129,722.70 - Step 4: Simplify right side
5,876,218.70x = 45,215,058,683,331.74 - Step 5: Solve for x
x = 45,215,058,683,331.74/5,876,218.70 - Step 6: Final answer
x = 7,694,584.05
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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.