Finding the Fourth Proportional to 3,516,818.23, 4,853,469.81 and 1,968,235.12
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Solution
The fourth proportional to 3,516,818.23, 4,853,469.81 and 1,968,235.12 is: 2,716,310.34
Step by Step Solution
- Step 1: Write the proportion equation
3,516,818.23 : 4,853,469.81 = 1,968,235.12 : x - Step 2: Convert to fraction form
3,516,818.23/4,853,469.81 = 1,968,235.12/x - Step 3: Cross multiply
3,516,818.23x = 4,853,469.81 × 1,968,235.12 - Step 4: Simplify right side
3,516,818.23x = 9,552,769,733,901.73 - Step 5: Solve for x
x = 9,552,769,733,901.73/3,516,818.23 - Step 6: Final answer
x = 2,716,310.34
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1.5x scale
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.