Finding the Fourth Proportional to 5,270,772.72, 7,273,615.47 and 2,947,639.47
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Solution
The fourth proportional to 5,270,772.72, 7,273,615.47 and 2,947,639.47 is: 4,067,714.01
Step by Step Solution
- Step 1: Write the proportion equation
5,270,772.72 : 7,273,615.47 = 2,947,639.47 : x - Step 2: Convert to fraction form
5,270,772.72/7,273,615.47 = 2,947,639.47/x - Step 3: Cross multiply
5,270,772.72x = 7,273,615.47 × 2,947,639.47 - Step 4: Simplify right side
5,270,772.72x = 21,439,996,048,974.60 - Step 5: Solve for x
x = 21,439,996,048,974.60/5,270,772.72 - Step 6: Final answer
x = 4,067,714.01
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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.