Finding the Fourth Proportional to 4,277,639.70, 6,416,459.55 and 2,685,114.90
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Solution
The fourth proportional to 4,277,639.70, 6,416,459.55 and 2,685,114.90 is: 4,027,672.35
Step by Step Solution
- Step 1: Write the proportion equation
4,277,639.70 : 6,416,459.55 = 2,685,114.90 : x - Step 2: Convert to fraction form
4,277,639.70/6,416,459.55 = 2,685,114.90/x - Step 3: Cross multiply
4,277,639.70x = 6,416,459.55 × 2,685,114.90 - Step 4: Simplify right side
4,277,639.70x = 17,228,931,142,952.29 - Step 5: Solve for x
x = 17,228,931,142,952.29/4,277,639.70 - Step 6: Final answer
x = 4,027,672.35
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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.