Finding the Fourth Proportional to 5,308,961.94, 7,326,989.46 and 3,017,467.08
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Solution
The fourth proportional to 5,308,961.94, 7,326,989.46 and 3,017,467.08 is: 4,164,458.09
Step by Step Solution
- Step 1: Write the proportion equation
5,308,961.94 : 7,326,989.46 = 3,017,467.08 : x - Step 2: Convert to fraction form
5,308,961.94/7,326,989.46 = 3,017,467.08/x - Step 3: Cross multiply
5,308,961.94x = 7,326,989.46 × 3,017,467.08 - Step 4: Simplify right side
5,308,961.94x = 22,108,949,491,056.98 - Step 5: Solve for x
x = 22,108,949,491,056.98/5,308,961.94 - Step 6: Final answer
x = 4,164,458.09
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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.