Finding the Fourth Proportional to 1,515,516.21, 2,271,306.02 and 615,911.09
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Solution
The fourth proportional to 1,515,516.21, 2,271,306.02 and 615,911.09 is: 923,066.70
Step by Step Solution
- Step 1: Write the proportion equation
1,515,516.21 : 2,271,306.02 = 615,911.09 : x - Step 2: Convert to fraction form
1,515,516.21/2,271,306.02 = 615,911.09/x - Step 3: Cross multiply
1,515,516.21x = 2,271,306.02 × 615,911.09 - Step 4: Simplify right side
1,515,516.21x = 1,398,922,552,065.68 - Step 5: Solve for x
x = 1,398,922,552,065.68/1,515,516.21 - Step 6: Final answer
x = 923,066.70
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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.