Finding the Fourth Proportional to 3,915,624.05, 5,873,436.09 and 3,649,903.55
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Solution
The fourth proportional to 3,915,624.05, 5,873,436.09 and 3,649,903.55 is: 5,474,855.33
Step by Step Solution
- Step 1: Write the proportion equation
3,915,624.05 : 5,873,436.09 = 3,649,903.55 : x - Step 2: Convert to fraction form
3,915,624.05/5,873,436.09 = 3,649,903.55/x - Step 3: Cross multiply
3,915,624.05x = 5,873,436.09 × 3,649,903.55 - Step 4: Simplify right side
3,915,624.05x = 21,437,475,217,339.60 - Step 5: Solve for x
x = 21,437,475,217,339.60/3,915,624.05 - Step 6: Final answer
x = 5,474,855.33
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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.