Finding the Fourth Proportional to 3,511,349.98, 5,267,024.97 and 987,005.23
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Solution
The fourth proportional to 3,511,349.98, 5,267,024.97 and 987,005.23 is: 1,480,507.85
Step by Step Solution
- Step 1: Write the proportion equation
3,511,349.98 : 5,267,024.97 = 987,005.23 : x - Step 2: Convert to fraction form
3,511,349.98/5,267,024.97 = 987,005.23/x - Step 3: Cross multiply
3,511,349.98x = 5,267,024.97 × 987,005.23 - Step 4: Simplify right side
3,511,349.98x = 5,198,581,191,930.59 - Step 5: Solve for x
x = 5,198,581,191,930.59/3,511,349.98 - Step 6: Final answer
x = 1,480,507.85
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1.5x scale
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.