Finding the Fourth Proportional to 5,464,509.20, 8,202,012.60 and 2,771,874.80
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Solution
The fourth proportional to 5,464,509.20, 8,202,012.60 and 2,771,874.80 is: 4,160,474.66
Step by Step Solution
- Step 1: Write the proportion equation
5,464,509.20 : 8,202,012.60 = 2,771,874.80 : x - Step 2: Convert to fraction form
5,464,509.20/8,202,012.60 = 2,771,874.80/x - Step 3: Cross multiply
5,464,509.20x = 8,202,012.60 × 2,771,874.80 - Step 4: Simplify right side
5,464,509.20x = 22,734,952,035,222.48 - Step 5: Solve for x
x = 22,734,952,035,222.48/5,464,509.20 - Step 6: Final answer
x = 4,160,474.66
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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.