Finding the Fourth Proportional to 3,845,907.42, 5,768,979.21 and 1,321,526.94
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Solution
The fourth proportional to 3,845,907.42, 5,768,979.21 and 1,321,526.94 is: 1,982,330.98
Step by Step Solution
- Step 1: Write the proportion equation
3,845,907.42 : 5,768,979.21 = 1,321,526.94 : x - Step 2: Convert to fraction form
3,845,907.42/5,768,979.21 = 1,321,526.94/x - Step 3: Cross multiply
3,845,907.42x = 5,768,979.21 × 1,321,526.94 - Step 4: Simplify right side
3,845,907.42x = 7,623,861,442,314.92 - Step 5: Solve for x
x = 7,623,861,442,314.92/3,845,907.42 - Step 6: Final answer
x = 1,982,330.98
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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.