Finding the Fourth Proportional to 1,942,812.01, 2,912,453.74 and 679,950.73
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Solution
The fourth proportional to 1,942,812.01, 2,912,453.74 and 679,950.73 is: 1,019,308.63
Step by Step Solution
- Step 1: Write the proportion equation
1,942,812.01 : 2,912,453.74 = 679,950.73 : x - Step 2: Convert to fraction form
1,942,812.01/2,912,453.74 = 679,950.73/x - Step 3: Cross multiply
1,942,812.01x = 2,912,453.74 × 679,950.73 - Step 4: Simplify right side
1,942,812.01x = 1,980,325,046,604.23 - Step 5: Solve for x
x = 1,980,325,046,604.23/1,942,812.01 - Step 6: Final answer
x = 1,019,308.63
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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.