Finding the Fourth Proportional to 1,581,202.23, 2,370,950.28 and 821,168.70
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Solution
The fourth proportional to 1,581,202.23, 2,370,950.28 and 821,168.70 is: 1,231,310.03
Step by Step Solution
- Step 1: Write the proportion equation
1,581,202.23 : 2,370,950.28 = 821,168.70 : x - Step 2: Convert to fraction form
1,581,202.23/2,370,950.28 = 821,168.70/x - Step 3: Cross multiply
1,581,202.23x = 2,370,950.28 × 821,168.70 - Step 4: Simplify right side
1,581,202.23x = 1,946,950,159,192.24 - Step 5: Solve for x
x = 1,946,950,159,192.24/1,581,202.23 - Step 6: Final answer
x = 1,231,310.03
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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.