Finding the Fourth Proportional to 3,187,265.76, 4,398,427.52 and 1,736,961.60
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Solution
The fourth proportional to 3,187,265.76, 4,398,427.52 and 1,736,961.60 is: 2,397,007.43
Step by Step Solution
- Step 1: Write the proportion equation
3,187,265.76 : 4,398,427.52 = 1,736,961.60 : x - Step 2: Convert to fraction form
3,187,265.76/4,398,427.52 = 1,736,961.60/x - Step 3: Cross multiply
3,187,265.76x = 4,398,427.52 × 1,736,961.60 - Step 4: Simplify right side
3,187,265.76x = 7,639,899,702,623.23 - Step 5: Solve for x
x = 7,639,899,702,623.23/3,187,265.76 - Step 6: Final answer
x = 2,397,007.43
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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.