Finding the Fourth Proportional to 4,811,560.16, 6,639,958.14 and 2,606,428.11
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Solution
The fourth proportional to 4,811,560.16, 6,639,958.14 and 2,606,428.11 is: 3,596,873.56
Step by Step Solution
- Step 1: Write the proportion equation
4,811,560.16 : 6,639,958.14 = 2,606,428.11 : x - Step 2: Convert to fraction form
4,811,560.16/6,639,958.14 = 2,606,428.11/x - Step 3: Cross multiply
4,811,560.16x = 6,639,958.14 × 2,606,428.11 - Step 4: Simplify right side
4,811,560.16x = 17,306,573,545,319.31 - Step 5: Solve for x
x = 17,306,573,545,319.31/4,811,560.16 - Step 6: Final answer
x = 3,596,873.56
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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.