Finding the Fourth Proportional to 5,177,467.08, 7,145,149.23 and 2,885,644.17
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Solution
The fourth proportional to 5,177,467.08, 7,145,149.23 and 2,885,644.17 is: 3,982,325.31
Step by Step Solution
- Step 1: Write the proportion equation
5,177,467.08 : 7,145,149.23 = 2,885,644.17 : x - Step 2: Convert to fraction form
5,177,467.08/7,145,149.23 = 2,885,644.17/x - Step 3: Cross multiply
5,177,467.08x = 7,145,149.23 × 2,885,644.17 - Step 4: Simplify right side
5,177,467.08x = 20,618,358,219,329.49 - Step 5: Solve for x
x = 20,618,358,219,329.49/5,177,467.08 - Step 6: Final answer
x = 3,982,325.31
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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.