Finding the Fourth Proportional to 1,520,136.60, 2,280,204.90 and 1,396,133.70
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Solution
The fourth proportional to 1,520,136.60, 2,280,204.90 and 1,396,133.70 is: 2,094,200.55
Step by Step Solution
- Step 1: Write the proportion equation
1,520,136.60 : 2,280,204.90 = 1,396,133.70 : x - Step 2: Convert to fraction form
1,520,136.60/2,280,204.90 = 1,396,133.70/x - Step 3: Cross multiply
1,520,136.60x = 2,280,204.90 × 1,396,133.70 - Step 4: Simplify right side
1,520,136.60x = 3,183,470,903,795.13 - Step 5: Solve for x
x = 3,183,470,903,795.13/1,520,136.60 - Step 6: Final answer
x = 2,094,200.55
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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.