Finding the Fourth Proportional to 1,508,966.22, 2,082,390.75 and 829,914.06
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Solution
The fourth proportional to 1,508,966.22, 2,082,390.75 and 829,914.06 is: 1,145,290.95
Step by Step Solution
- Step 1: Write the proportion equation
1,508,966.22 : 2,082,390.75 = 829,914.06 : x - Step 2: Convert to fraction form
1,508,966.22/2,082,390.75 = 829,914.06/x - Step 3: Cross multiply
1,508,966.22x = 2,082,390.75 × 829,914.06 - Step 4: Simplify right side
1,508,966.22x = 1,728,205,361,838.95 - Step 5: Solve for x
x = 1,728,205,361,838.95/1,508,966.22 - Step 6: Final answer
x = 1,145,290.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.