Finding the Fourth Proportional to 2,171,329.60, 3,255,419.76 and 1,459,592.32
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Solution
The fourth proportional to 2,171,329.60, 3,255,419.76 and 1,459,592.32 is: 2,188,329.99
Step by Step Solution
- Step 1: Write the proportion equation
2,171,329.60 : 3,255,419.76 = 1,459,592.32 : x - Step 2: Convert to fraction form
2,171,329.60/3,255,419.76 = 1,459,592.32/x - Step 3: Cross multiply
2,171,329.60x = 3,255,419.76 × 1,459,592.32 - Step 4: Simplify right side
2,171,329.60x = 4,751,585,680,072.24 - Step 5: Solve for x
x = 4,751,585,680,072.24/2,171,329.60 - Step 6: Final answer
x = 2,188,329.99
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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.