Finding the Fourth Proportional to 2,109,449.34, 3,164,175.63 and 512,013.99
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Solution
The fourth proportional to 2,109,449.34, 3,164,175.63 and 512,013.99 is: 768,021.38
Step by Step Solution
- Step 1: Write the proportion equation
2,109,449.34 : 3,164,175.63 = 512,013.99 : x - Step 2: Convert to fraction form
2,109,449.34/3,164,175.63 = 512,013.99/x - Step 3: Cross multiply
2,109,449.34x = 3,164,175.63 × 512,013.99 - Step 4: Simplify right side
2,109,449.34x = 1,620,102,189,377.06 - Step 5: Solve for x
x = 1,620,102,189,377.06/2,109,449.34 - Step 6: Final answer
x = 768,021.38
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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.