Finding the Fourth Proportional to 2,126,838.68, 3,190,241.64 and 529,391.12
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Solution
The fourth proportional to 2,126,838.68, 3,190,241.64 and 529,391.12 is: 794,082.60
Step by Step Solution
- Step 1: Write the proportion equation
2,126,838.68 : 3,190,241.64 = 529,391.12 : x - Step 2: Convert to fraction form
2,126,838.68/3,190,241.64 = 529,391.12/x - Step 3: Cross multiply
2,126,838.68x = 3,190,241.64 × 529,391.12 - Step 4: Simplify right side
2,126,838.68x = 1,688,885,594,870.24 - Step 5: Solve for x
x = 1,688,885,594,870.24/2,126,838.68 - Step 6: Final answer
x = 794,082.60
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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.