Finding the Fourth Proportional to 1,481,497.68, 2,209,296.96 and 1,318,201.68
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Solution
The fourth proportional to 1,481,497.68, 2,209,296.96 and 1,318,201.68 is: 1,965,780.31
Step by Step Solution
- Step 1: Write the proportion equation
1,481,497.68 : 2,209,296.96 = 1,318,201.68 : x - Step 2: Convert to fraction form
1,481,497.68/2,209,296.96 = 1,318,201.68/x - Step 3: Cross multiply
1,481,497.68x = 2,209,296.96 × 1,318,201.68 - Step 4: Simplify right side
1,481,497.68x = 2,912,298,964,290.89 - Step 5: Solve for x
x = 2,912,298,964,290.89/1,481,497.68 - Step 6: Final answer
x = 1,965,780.31
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.