Finding the Fourth Proportional to 1,639,129.34, 2,458,504.87 and 440,957.50
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Solution
The fourth proportional to 1,639,129.34, 2,458,504.87 and 440,957.50 is: 661,385.36
Step by Step Solution
- Step 1: Write the proportion equation
1,639,129.34 : 2,458,504.87 = 440,957.50 : x - Step 2: Convert to fraction form
1,639,129.34/2,458,504.87 = 440,957.50/x - Step 3: Cross multiply
1,639,129.34x = 2,458,504.87 × 440,957.50 - Step 4: Simplify right side
1,639,129.34x = 1,084,096,148,920.50 - Step 5: Solve for x
x = 1,084,096,148,920.50/1,639,129.34 - Step 6: Final answer
x = 661,385.36
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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.