Finding the Fourth Proportional to 1,511,576.70, 2,267,365.05 and 446,629.20
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Solution
The fourth proportional to 1,511,576.70, 2,267,365.05 and 446,629.20 is: 669,943.80
Step by Step Solution
- Step 1: Write the proportion equation
1,511,576.70 : 2,267,365.05 = 446,629.20 : x - Step 2: Convert to fraction form
1,511,576.70/2,267,365.05 = 446,629.20/x - Step 3: Cross multiply
1,511,576.70x = 2,267,365.05 × 446,629.20 - Step 4: Simplify right side
1,511,576.70x = 1,012,671,438,389.46 - Step 5: Solve for x
x = 1,012,671,438,389.46/1,511,576.70 - Step 6: Final answer
x = 669,943.80
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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.