Finding the Fourth Proportional to 3,850,320.88, 5,313,505.58 and 2,107,961.06
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Solution
The fourth proportional to 3,850,320.88, 5,313,505.58 and 2,107,961.06 is: 2,909,020.63
Step by Step Solution
- Step 1: Write the proportion equation
3,850,320.88 : 5,313,505.58 = 2,107,961.06 : x - Step 2: Convert to fraction form
3,850,320.88/5,313,505.58 = 2,107,961.06/x - Step 3: Cross multiply
3,850,320.88x = 5,313,505.58 × 2,107,961.06 - Step 4: Simplify right side
3,850,320.88x = 11,200,662,867,275.98 - Step 5: Solve for x
x = 11,200,662,867,275.98/3,850,320.88 - Step 6: Final answer
x = 2,909,020.63
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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.