Finding the Fourth Proportional to 3,592,943.19, 4,958,378.96 and 1,961,437.55
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Solution
The fourth proportional to 3,592,943.19, 4,958,378.96 and 1,961,437.55 is: 2,706,847.88
Step by Step Solution
- Step 1: Write the proportion equation
3,592,943.19 : 4,958,378.96 = 1,961,437.55 : x - Step 2: Convert to fraction form
3,592,943.19/4,958,378.96 = 1,961,437.55/x - Step 3: Cross multiply
3,592,943.19x = 4,958,378.96 × 1,961,437.55 - Step 4: Simplify right side
3,592,943.19x = 9,725,550,644,674.87 - Step 5: Solve for x
x = 9,725,550,644,674.87/3,592,943.19 - Step 6: Final answer
x = 2,706,847.88
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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.