Finding the Fourth Proportional to 2,915,874.24, 4,021,733.28 and 2,141,260.80
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Solution
The fourth proportional to 2,915,874.24, 4,021,733.28 and 2,141,260.80 is: 2,953,344.04
Step by Step Solution
- Step 1: Write the proportion equation
2,915,874.24 : 4,021,733.28 = 2,141,260.80 : x - Step 2: Convert to fraction form
2,915,874.24/4,021,733.28 = 2,141,260.80/x - Step 3: Cross multiply
2,915,874.24x = 4,021,733.28 × 2,141,260.80 - Step 4: Simplify right side
2,915,874.24x = 8,611,579,820,519.42 - Step 5: Solve for x
x = 8,611,579,820,519.42/2,915,874.24 - Step 6: Final answer
x = 2,953,344.04
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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.