Finding the Fourth Proportional to 1,985,975.33, 2,740,932.36 and 1,103,125.88
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Solution
The fourth proportional to 1,985,975.33, 2,740,932.36 and 1,103,125.88 is: 1,522,472.80
Step by Step Solution
- Step 1: Write the proportion equation
1,985,975.33 : 2,740,932.36 = 1,103,125.88 : x - Step 2: Convert to fraction form
1,985,975.33/2,740,932.36 = 1,103,125.88/x - Step 3: Cross multiply
1,985,975.33x = 2,740,932.36 × 1,103,125.88 - Step 4: Simplify right side
1,985,975.33x = 3,023,593,407,940.82 - Step 5: Solve for x
x = 3,023,593,407,940.82/1,985,975.33 - Step 6: Final answer
x = 1,522,472.80
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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.