Finding the Fourth Proportional to 2,215,679.40, 3,057,622.02 and 1,310,241.96
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Solution
The fourth proportional to 2,215,679.40, 3,057,622.02 and 1,310,241.96 is: 1,808,124.71
Step by Step Solution
- Step 1: Write the proportion equation
2,215,679.40 : 3,057,622.02 = 1,310,241.96 : x - Step 2: Convert to fraction form
2,215,679.40/3,057,622.02 = 1,310,241.96/x - Step 3: Cross multiply
2,215,679.40x = 3,057,622.02 × 1,310,241.96 - Step 4: Simplify right side
2,215,679.40x = 4,006,224,668,423.96 - Step 5: Solve for x
x = 4,006,224,668,423.96/2,215,679.40 - Step 6: Final answer
x = 1,808,124.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.