Finding the Fourth Proportional to 5,377,256.33, 8,069,609.70 and 2,138,462.24
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Solution
The fourth proportional to 5,377,256.33, 8,069,609.70 and 2,138,462.24 is: 3,209,174.82
Step by Step Solution
- Step 1: Write the proportion equation
5,377,256.33 : 8,069,609.70 = 2,138,462.24 : x - Step 2: Convert to fraction form
5,377,256.33/8,069,609.70 = 2,138,462.24/x - Step 3: Cross multiply
5,377,256.33x = 8,069,609.70 × 2,138,462.24 - Step 4: Simplify right side
5,377,256.33x = 17,256,555,594,639.68 - Step 5: Solve for x
x = 17,256,555,594,639.68/5,377,256.33 - Step 6: Final answer
x = 3,209,174.82
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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.