Finding the Fourth Proportional to 3,889,824.96, 5,830,013.12 and 2,752,919.40
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Solution
The fourth proportional to 3,889,824.96, 5,830,013.12 and 2,752,919.40 is: 4,126,035.59
Step by Step Solution
- Step 1: Write the proportion equation
3,889,824.96 : 5,830,013.12 = 2,752,919.40 : x - Step 2: Convert to fraction form
3,889,824.96/5,830,013.12 = 2,752,919.40/x - Step 3: Cross multiply
3,889,824.96x = 5,830,013.12 × 2,752,919.40 - Step 4: Simplify right side
3,889,824.96x = 16,049,556,220,302.53 - Step 5: Solve for x
x = 16,049,556,220,302.53/3,889,824.96 - Step 6: Final answer
x = 4,126,035.59
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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.