Finding the Fourth Proportional to 3,423,990, 5,135,973.12 and 1,027,824.96
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Solution
The fourth proportional to 3,423,990, 5,135,973.12 and 1,027,824.96 is: 1,541,733.87
Step by Step Solution
- Step 1: Write the proportion equation
3,423,990 : 5,135,973.12 = 1,027,824.96 : x - Step 2: Convert to fraction form
3,423,990/5,135,973.12 = 1,027,824.96/x - Step 3: Cross multiply
3,423,990x = 5,135,973.12 × 1,027,824.96 - Step 4: Simplify right side
3,423,990x = 5,278,881,366,625.08 - Step 5: Solve for x
x = 5,278,881,366,625.08/3,423,990 - Step 6: Final answer
x = 1,541,733.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.