Finding the Fourth Proportional to 6,416,955.60, 9,625,079.16 and 2,156,683.92
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Solution
The fourth proportional to 6,416,955.60, 9,625,079.16 and 2,156,683.92 is: 3,234,906.82
Step by Step Solution
- Step 1: Write the proportion equation
6,416,955.60 : 9,625,079.16 = 2,156,683.92 : x - Step 2: Convert to fraction form
6,416,955.60/9,625,079.16 = 2,156,683.92/x - Step 3: Cross multiply
6,416,955.60x = 9,625,079.16 × 2,156,683.92 - Step 4: Simplify right side
6,416,955.60x = 20,758,253,453,099.11 - Step 5: Solve for x
x = 20,758,253,453,099.11/6,416,955.60 - Step 6: Final answer
x = 3,234,906.82
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1.5x scale
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.