Finding the Fourth Proportional to 3,183,687.90, 4,396,220.06 and 3,080,737.96
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Solution
The fourth proportional to 3,183,687.90, 4,396,220.06 and 3,080,737.96 is: 4,254,060.85
Step by Step Solution
- Step 1: Write the proportion equation
3,183,687.90 : 4,396,220.06 = 3,080,737.96 : x - Step 2: Convert to fraction form
3,183,687.90/4,396,220.06 = 3,080,737.96/x - Step 3: Cross multiply
3,183,687.90x = 4,396,220.06 × 3,080,737.96 - Step 4: Simplify right side
3,183,687.90x = 13,543,602,031,319.33 - Step 5: Solve for x
x = 13,543,602,031,319.33/3,183,687.90 - Step 6: Final answer
x = 4,254,060.85
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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.