Finding the Fourth Proportional to 2,109,893.12, 3,164,795.04 and 512,463.68
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Solution
The fourth proportional to 2,109,893.12, 3,164,795.04 and 512,463.68 is: 768,684.68
Step by Step Solution
- Step 1: Write the proportion equation
2,109,893.12 : 3,164,795.04 = 512,463.68 : x - Step 2: Convert to fraction form
2,109,893.12/3,164,795.04 = 512,463.68/x - Step 3: Cross multiply
2,109,893.12x = 3,164,795.04 × 512,463.68 - Step 4: Simplify right side
2,109,893.12x = 1,621,842,512,644.15 - Step 5: Solve for x
x = 1,621,842,512,644.15/2,109,893.12 - Step 6: Final answer
x = 768,684.68
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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.