Finding the Fourth Proportional to 2,215,918.29, 3,057,446.50 and 1,344,733.33
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Solution
The fourth proportional to 2,215,918.29, 3,057,446.50 and 1,344,733.33 is: 1,855,415.99
Step by Step Solution
- Step 1: Write the proportion equation
2,215,918.29 : 3,057,446.50 = 1,344,733.33 : x - Step 2: Convert to fraction form
2,215,918.29/3,057,446.50 = 1,344,733.33/x - Step 3: Cross multiply
2,215,918.29x = 3,057,446.50 × 1,344,733.33 - Step 4: Simplify right side
2,215,918.29x = 4,111,450,228,431.68 - Step 5: Solve for x
x = 4,111,450,228,431.68/2,215,918.29 - Step 6: Final answer
x = 1,855,415.99
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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.