Finding the Fourth Proportional to 2,129,423.60, 3,194,135.40 and 1,529,116.40
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Solution
The fourth proportional to 2,129,423.60, 3,194,135.40 and 1,529,116.40 is: 2,293,674.60
Step by Step Solution
- Step 1: Write the proportion equation
2,129,423.60 : 3,194,135.40 = 1,529,116.40 : x - Step 2: Convert to fraction form
2,129,423.60/3,194,135.40 = 1,529,116.40/x - Step 3: Cross multiply
2,129,423.60x = 3,194,135.40 × 1,529,116.40 - Step 4: Simplify right side
2,129,423.60x = 4,884,204,823,960.56 - Step 5: Solve for x
x = 4,884,204,823,960.56/2,129,423.60 - Step 6: Final answer
x = 2,293,674.60
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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.