Finding the Fourth Proportional to 3,153,965.34, 4,352,471.50 and 1,703,660.81
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Solution
The fourth proportional to 3,153,965.34, 4,352,471.50 and 1,703,660.81 is: 2,351,051.55
Step by Step Solution
- Step 1: Write the proportion equation
3,153,965.34 : 4,352,471.50 = 1,703,660.81 : x - Step 2: Convert to fraction form
3,153,965.34/4,352,471.50 = 1,703,660.81/x - Step 3: Cross multiply
3,153,965.34x = 4,352,471.50 × 1,703,660.81 - Step 4: Simplify right side
3,153,965.34x = 7,415,135,112,673.61 - Step 5: Solve for x
x = 7,415,135,112,673.61/3,153,965.34 - Step 6: Final answer
x = 2,351,051.55
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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.