Finding the Fourth Proportional to 5,273,721.06, 7,911,371.34 and 1,908,715.38
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Solution
The fourth proportional to 5,273,721.06, 7,911,371.34 and 1,908,715.38 is: 2,863,358.90
Step by Step Solution
- Step 1: Write the proportion equation
5,273,721.06 : 7,911,371.34 = 1,908,715.38 : x - Step 2: Convert to fraction form
5,273,721.06/7,911,371.34 = 1,908,715.38/x - Step 3: Cross multiply
5,273,721.06x = 7,911,371.34 × 1,908,715.38 - Step 4: Simplify right side
5,273,721.06x = 15,100,556,153,549.21 - Step 5: Solve for x
x = 15,100,556,153,549.21/5,273,721.06 - Step 6: Final answer
x = 2,863,358.90
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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.