Finding the Fourth Proportional to 2,166,367.35, 2,989,755.26 and 1,199,587.59
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Solution
The fourth proportional to 2,166,367.35, 2,989,755.26 and 1,199,587.59 is: 1,655,524.08
Step by Step Solution
- Step 1: Write the proportion equation
2,166,367.35 : 2,989,755.26 = 1,199,587.59 : x - Step 2: Convert to fraction form
2,166,367.35/2,989,755.26 = 1,199,587.59/x - Step 3: Cross multiply
2,166,367.35x = 2,989,755.26 × 1,199,587.59 - Step 4: Simplify right side
2,166,367.35x = 3,586,473,307,033.22 - Step 5: Solve for x
x = 3,586,473,307,033.22/2,166,367.35 - Step 6: Final answer
x = 1,655,524.08
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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.