Finding the Fourth Proportional to 2,318,821.31, 3,474,684.70 and 1,239,487.40
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Solution
The fourth proportional to 2,318,821.31, 3,474,684.70 and 1,239,487.40 is: 1,857,334.96
Step by Step Solution
- Step 1: Write the proportion equation
2,318,821.31 : 3,474,684.70 = 1,239,487.40 : x - Step 2: Convert to fraction form
2,318,821.31/3,474,684.70 = 1,239,487.40/x - Step 3: Cross multiply
2,318,821.31x = 3,474,684.70 × 1,239,487.40 - Step 4: Simplify right side
2,318,821.31x = 4,306,827,884,150.64 - Step 5: Solve for x
x = 4,306,827,884,150.64/2,318,821.31 - Step 6: Final answer
x = 1,857,334.96
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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.