Finding the Fourth Proportional to 1,592,912.70, 2,389,369.05 and 470,981.70
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Solution
The fourth proportional to 1,592,912.70, 2,389,369.05 and 470,981.70 is: 706,472.55
Step by Step Solution
- Step 1: Write the proportion equation
1,592,912.70 : 2,389,369.05 = 470,981.70 : x - Step 2: Convert to fraction form
1,592,912.70/2,389,369.05 = 470,981.70/x - Step 3: Cross multiply
1,592,912.70x = 2,389,369.05 × 470,981.70 - Step 4: Simplify right side
1,592,912.70x = 1,125,349,097,096.39 - Step 5: Solve for x
x = 1,125,349,097,096.39/1,592,912.70 - Step 6: Final answer
x = 706,472.55
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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.