Finding the Fourth Proportional to 6,257,346.75, 8,635,138.52 and 3,395,778.75
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Solution
The fourth proportional to 6,257,346.75, 8,635,138.52 and 3,395,778.75 is: 4,686,174.68
Step by Step Solution
- Step 1: Write the proportion equation
6,257,346.75 : 8,635,138.52 = 3,395,778.75 : x - Step 2: Convert to fraction form
6,257,346.75/8,635,138.52 = 3,395,778.75/x - Step 3: Cross multiply
6,257,346.75x = 8,635,138.52 × 3,395,778.75 - Step 4: Simplify right side
6,257,346.75x = 29,323,019,872,543.56 - Step 5: Solve for x
x = 29,323,019,872,543.56/6,257,346.75 - Step 6: Final answer
x = 4,686,174.68
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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.