Finding the Fourth Proportional to 1,682,451.48, 2,321,915.52 and 957,329.76
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Solution
The fourth proportional to 1,682,451.48, 2,321,915.52 and 957,329.76 is: 1,321,190.45
Step by Step Solution
- Step 1: Write the proportion equation
1,682,451.48 : 2,321,915.52 = 957,329.76 : x - Step 2: Convert to fraction form
1,682,451.48/2,321,915.52 = 957,329.76/x - Step 3: Cross multiply
1,682,451.48x = 2,321,915.52 × 957,329.76 - Step 4: Simplify right side
1,682,451.48x = 2,222,838,827,501.88 - Step 5: Solve for x
x = 2,222,838,827,501.88/1,682,451.48 - Step 6: Final answer
x = 1,321,190.45
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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.