Finding the Fourth Proportional to 6,461,743.20, 8,915,639.52 and 3,670,245.44
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Solution
The fourth proportional to 6,461,743.20, 8,915,639.52 and 3,670,245.44 is: 5,064,049.17
Step by Step Solution
- Step 1: Write the proportion equation
6,461,743.20 : 8,915,639.52 = 3,670,245.44 : x - Step 2: Convert to fraction form
6,461,743.20/8,915,639.52 = 3,670,245.44/x - Step 3: Cross multiply
6,461,743.20x = 8,915,639.52 × 3,670,245.44 - Step 4: Simplify right side
6,461,743.20x = 32,722,585,292,963.79 - Step 5: Solve for x
x = 32,722,585,292,963.79/6,461,743.20 - Step 6: Final answer
x = 5,064,049.17
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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.