Finding the Fourth Proportional to 2,166,375.39, 2,989,700.70 and 1,306,917.18
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Solution
The fourth proportional to 2,166,375.39, 2,989,700.70 and 1,306,917.18 is: 1,803,607.64
Step by Step Solution
- Step 1: Write the proportion equation
2,166,375.39 : 2,989,700.70 = 1,306,917.18 : x - Step 2: Convert to fraction form
2,166,375.39/2,989,700.70 = 1,306,917.18/x - Step 3: Cross multiply
2,166,375.39x = 2,989,700.70 × 1,306,917.18 - Step 4: Simplify right side
2,166,375.39x = 3,907,291,207,888.03 - Step 5: Solve for x
x = 3,907,291,207,888.03/2,166,375.39 - Step 6: Final answer
x = 1,803,607.64
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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.