Finding the Fourth Proportional to 4,376,979.88, 6,026,861.08 and 3,966,410.56
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Solution
The fourth proportional to 4,376,979.88, 6,026,861.08 and 3,966,410.56 is: 5,461,529.66
Step by Step Solution
- Step 1: Write the proportion equation
4,376,979.88 : 6,026,861.08 = 3,966,410.56 : x - Step 2: Convert to fraction form
4,376,979.88/6,026,861.08 = 3,966,410.56/x - Step 3: Cross multiply
4,376,979.88x = 6,026,861.08 × 3,966,410.56 - Step 4: Simplify right side
4,376,979.88x = 23,905,005,431,365.00 - Step 5: Solve for x
x = 23,905,005,431,365.00/4,376,979.88 - Step 6: Final answer
x = 5,461,529.66
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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.