Finding the Fourth Proportional to 5,437,242.63, 7,503,872.94 and 2,990,284.88
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Solution
The fourth proportional to 5,437,242.63, 7,503,872.94 and 2,990,284.88 is: 4,126,856.07
Step by Step Solution
- Step 1: Write the proportion equation
5,437,242.63 : 7,503,872.94 = 2,990,284.88 : x - Step 2: Convert to fraction form
5,437,242.63/7,503,872.94 = 2,990,284.88/x - Step 3: Cross multiply
5,437,242.63x = 7,503,872.94 × 2,990,284.88 - Step 4: Simplify right side
5,437,242.63x = 22,438,717,756,403.79 - Step 5: Solve for x
x = 22,438,717,756,403.79/5,437,242.63 - Step 6: Final answer
x = 4,126,856.07
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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.