Finding the Fourth Proportional to 4,842,437.83, 6,682,069.70 and 2,981,557.80
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Solution
The fourth proportional to 4,842,437.83, 6,682,069.70 and 2,981,557.80 is: 4,114,245.29
Step by Step Solution
- Step 1: Write the proportion equation
4,842,437.83 : 6,682,069.70 = 2,981,557.80 : x - Step 2: Convert to fraction form
4,842,437.83/6,682,069.70 = 2,981,557.80/x - Step 3: Cross multiply
4,842,437.83x = 6,682,069.70 × 2,981,557.80 - Step 4: Simplify right side
4,842,437.83x = 19,922,977,041,632.55 - Step 5: Solve for x
x = 19,922,977,041,632.55/4,842,437.83 - Step 6: Final answer
x = 4,114,245.29
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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.