Finding the Fourth Proportional to 4,257,983.05, 5,875,941.63 and 2,422,402.21
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Solution
The fourth proportional to 4,257,983.05, 5,875,941.63 and 2,422,402.21 is: 3,342,872.39
Step by Step Solution
- Step 1: Write the proportion equation
4,257,983.05 : 5,875,941.63 = 2,422,402.21 : x - Step 2: Convert to fraction form
4,257,983.05/5,875,941.63 = 2,422,402.21/x - Step 3: Cross multiply
4,257,983.05x = 5,875,941.63 × 2,422,402.21 - Step 4: Simplify right side
4,257,983.05x = 14,233,893,990,343.00 - Step 5: Solve for x
x = 14,233,893,990,343.00/4,257,983.05 - Step 6: Final answer
x = 3,342,872.39
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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.