Finding the Fourth Proportional to 3,048,999.15, 4,207,624.84 and 1,672,354.07
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Solution
The fourth proportional to 3,048,999.15, 4,207,624.84 and 1,672,354.07 is: 2,307,851.91
Step by Step Solution
- Step 1: Write the proportion equation
3,048,999.15 : 4,207,624.84 = 1,672,354.07 : x - Step 2: Convert to fraction form
3,048,999.15/4,207,624.84 = 1,672,354.07/x - Step 3: Cross multiply
3,048,999.15x = 4,207,624.84 × 1,672,354.07 - Step 4: Simplify right side
3,048,999.15x = 7,036,638,496,807.20 - Step 5: Solve for x
x = 7,036,638,496,807.20/3,048,999.15 - Step 6: Final answer
x = 2,307,851.91
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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.