Finding the Fourth Proportional to 1,394,142.70, 2,086,548.45 and 974,238.70
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Solution
The fourth proportional to 1,394,142.70, 2,086,548.45 and 974,238.70 is: 1,458,097.69
Step by Step Solution
- Step 1: Write the proportion equation
1,394,142.70 : 2,086,548.45 = 974,238.70 : x - Step 2: Convert to fraction form
1,394,142.70/2,086,548.45 = 974,238.70/x - Step 3: Cross multiply
1,394,142.70x = 2,086,548.45 × 974,238.70 - Step 4: Simplify right side
1,394,142.70x = 2,032,796,249,415.02 - Step 5: Solve for x
x = 2,032,796,249,415.02/1,394,142.70 - Step 6: Final answer
x = 1,458,097.69
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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.