Finding the Fourth Proportional to 2,140,253.87, 2,953,471.92 and 1,173,362.99
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Solution
The fourth proportional to 2,140,253.87, 2,953,471.92 and 1,173,362.99 is: 1,619,197.93
Step by Step Solution
- Step 1: Write the proportion equation
2,140,253.87 : 2,953,471.92 = 1,173,362.99 : x - Step 2: Convert to fraction form
2,140,253.87/2,953,471.92 = 1,173,362.99/x - Step 3: Cross multiply
2,140,253.87x = 2,953,471.92 × 1,173,362.99 - Step 4: Simplify right side
2,140,253.87x = 3,465,494,642,932.24 - Step 5: Solve for x
x = 3,465,494,642,932.24/2,140,253.87 - Step 6: Final answer
x = 1,619,197.93
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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.