Finding the Fourth Proportional to 1,630,633.68, 2,249,912.09 and 986,040.34
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Solution
The fourth proportional to 1,630,633.68, 2,249,912.09 and 986,040.34 is: 1,360,516.53
Step by Step Solution
- Step 1: Write the proportion equation
1,630,633.68 : 2,249,912.09 = 986,040.34 : x - Step 2: Convert to fraction form
1,630,633.68/2,249,912.09 = 986,040.34/x - Step 3: Cross multiply
1,630,633.68x = 2,249,912.09 × 986,040.34 - Step 4: Simplify right side
1,630,633.68x = 2,218,504,079,034.03 - Step 5: Solve for x
x = 2,218,504,079,034.03/1,630,633.68 - Step 6: Final answer
x = 1,360,516.53
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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.