Finding the Fourth Proportional to 3,590,689.32, 4,954,474.44 and 2,140,519.68
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Solution
The fourth proportional to 3,590,689.32, 4,954,474.44 and 2,140,519.68 is: 2,953,513.68
Step by Step Solution
- Step 1: Write the proportion equation
3,590,689.32 : 4,954,474.44 = 2,140,519.68 : x - Step 2: Convert to fraction form
3,590,689.32/4,954,474.44 = 2,140,519.68/x - Step 3: Cross multiply
3,590,689.32x = 4,954,474.44 × 2,140,519.68 - Step 4: Simplify right side
3,590,689.32x = 10,605,150,042,876.98 - Step 5: Solve for x
x = 10,605,150,042,876.98/3,590,689.32 - Step 6: Final answer
x = 2,953,513.68
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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.