Finding the Fourth Proportional to 2,158,173.32, 3,236,952.98 and 879,338.84
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Solution
The fourth proportional to 2,158,173.32, 3,236,952.98 and 879,338.84 is: 1,318,883.17
Step by Step Solution
- Step 1: Write the proportion equation
2,158,173.32 : 3,236,952.98 = 879,338.84 : x - Step 2: Convert to fraction form
2,158,173.32/3,236,952.98 = 879,338.84/x - Step 3: Cross multiply
2,158,173.32x = 3,236,952.98 × 879,338.84 - Step 4: Simplify right side
2,158,173.32x = 2,846,378,478,567.74 - Step 5: Solve for x
x = 2,846,378,478,567.74/2,158,173.32 - Step 6: Final answer
x = 1,318,883.17
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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.