Finding the Fourth Proportional to 2,318,809.80, 3,478,214.70 and 972,492.60
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Solution
The fourth proportional to 2,318,809.80, 3,478,214.70 and 972,492.60 is: 1,458,738.90
Step by Step Solution
- Step 1: Write the proportion equation
2,318,809.80 : 3,478,214.70 = 972,492.60 : x - Step 2: Convert to fraction form
2,318,809.80/3,478,214.70 = 972,492.60/x - Step 3: Cross multiply
2,318,809.80x = 3,478,214.70 × 972,492.60 - Step 4: Simplify right side
2,318,809.80x = 3,382,538,056,961.22 - Step 5: Solve for x
x = 3,382,538,056,961.22/2,318,809.80 - Step 6: Final answer
x = 1,458,738.90
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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.