Finding the Fourth Proportional to 6,474,629.52, 9,711,023.16 and 2,638,126.08
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Solution
The fourth proportional to 6,474,629.52, 9,711,023.16 and 2,638,126.08 is: 3,956,813.80
Step by Step Solution
- Step 1: Write the proportion equation
6,474,629.52 : 9,711,023.16 = 2,638,126.08 : x - Step 2: Convert to fraction form
6,474,629.52/9,711,023.16 = 2,638,126.08/x - Step 3: Cross multiply
6,474,629.52x = 9,711,023.16 × 2,638,126.08 - Step 4: Simplify right side
6,474,629.52x = 25,618,903,461,880.02 - Step 5: Solve for x
x = 25,618,903,461,880.02/6,474,629.52 - Step 6: Final answer
x = 3,956,813.80
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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.