Finding the Fourth Proportional to 1,389,296.98, 2,083,922.70 and 442,654.84
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Solution
The fourth proportional to 1,389,296.98, 2,083,922.70 and 442,654.84 is: 663,975.01
Step by Step Solution
- Step 1: Write the proportion equation
1,389,296.98 : 2,083,922.70 = 442,654.84 : x - Step 2: Convert to fraction form
1,389,296.98/2,083,922.70 = 442,654.84/x - Step 3: Cross multiply
1,389,296.98x = 2,083,922.70 × 442,654.84 - Step 4: Simplify right side
1,389,296.98x = 922,458,469,340.87 - Step 5: Solve for x
x = 922,458,469,340.87/1,389,296.98 - Step 6: Final answer
x = 663,975.01
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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.