Finding the Fourth Proportional to 1,450,076.88, 2,000,299.80 and 1,347,442.68
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Solution
The fourth proportional to 1,450,076.88, 2,000,299.80 and 1,347,442.68 is: 1,858,721.67
Step by Step Solution
- Step 1: Write the proportion equation
1,450,076.88 : 2,000,299.80 = 1,347,442.68 : x - Step 2: Convert to fraction form
1,450,076.88/2,000,299.80 = 1,347,442.68/x - Step 3: Cross multiply
1,450,076.88x = 2,000,299.80 × 1,347,442.68 - Step 4: Simplify right side
1,450,076.88x = 2,695,289,323,315.46 - Step 5: Solve for x
x = 2,695,289,323,315.46/1,450,076.88 - Step 6: Final answer
x = 1,858,721.67
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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.