Finding the Fourth Proportional to 4,574,530.05, 6,861,844.26 and 1,379,683.90
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Solution
The fourth proportional to 4,574,530.05, 6,861,844.26 and 1,379,683.90 is: 2,069,540.69
Step by Step Solution
- Step 1: Write the proportion equation
4,574,530.05 : 6,861,844.26 = 1,379,683.90 : x - Step 2: Convert to fraction form
4,574,530.05/6,861,844.26 = 1,379,683.90/x - Step 3: Cross multiply
4,574,530.05x = 6,861,844.26 × 1,379,683.90 - Step 4: Simplify right side
4,574,530.05x = 9,467,176,058,406.72 - Step 5: Solve for x
x = 9,467,176,058,406.72/4,574,530.05 - Step 6: Final answer
x = 2,069,540.69
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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.