Finding the Fourth Proportional to 1,474,812.48, 2,035,163.80 and 830,211.24
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Solution
The fourth proportional to 1,474,812.48, 2,035,163.80 and 830,211.24 is: 1,145,647.93
Step by Step Solution
- Step 1: Write the proportion equation
1,474,812.48 : 2,035,163.80 = 830,211.24 : x - Step 2: Convert to fraction form
1,474,812.48/2,035,163.80 = 830,211.24/x - Step 3: Cross multiply
1,474,812.48x = 2,035,163.80 × 830,211.24 - Step 4: Simplify right side
1,474,812.48x = 1,689,615,862,001.11 - Step 5: Solve for x
x = 1,689,615,862,001.11/1,474,812.48 - Step 6: Final answer
x = 1,145,647.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.