Finding the Fourth Proportional to 3,810,723.18, 5,258,777.30 and 2,091,872.94
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Solution
The fourth proportional to 3,810,723.18, 5,258,777.30 and 2,091,872.94 is: 2,886,773.30
Step by Step Solution
- Step 1: Write the proportion equation
3,810,723.18 : 5,258,777.30 = 2,091,872.94 : x - Step 2: Convert to fraction form
3,810,723.18/5,258,777.30 = 2,091,872.94/x - Step 3: Cross multiply
3,810,723.18x = 5,258,777.30 × 2,091,872.94 - Step 4: Simplify right side
3,810,723.18x = 11,000,693,931,356.26 - Step 5: Solve for x
x = 11,000,693,931,356.26/3,810,723.18 - Step 6: Final answer
x = 2,886,773.30
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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.