Finding the Fourth Proportional to 1,414,638.99, 2,120,768.19 and 615,318.48
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Solution
The fourth proportional to 1,414,638.99, 2,120,768.19 and 615,318.48 is: 922,459.98
Step by Step Solution
- Step 1: Write the proportion equation
1,414,638.99 : 2,120,768.19 = 615,318.48 : x - Step 2: Convert to fraction form
1,414,638.99/2,120,768.19 = 615,318.48/x - Step 3: Cross multiply
1,414,638.99x = 2,120,768.19 × 615,318.48 - Step 4: Simplify right side
1,414,638.99x = 1,304,947,859,103.15 - Step 5: Solve for x
x = 1,304,947,859,103.15/1,414,638.99 - Step 6: Final answer
x = 922,459.98
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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.