Finding the Fourth Proportional to 5,960,628.40, 8,225,438.64 and 3,382,155.28
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Solution
The fourth proportional to 5,960,628.40, 8,225,438.64 and 3,382,155.28 is: 4,667,244.60
Step by Step Solution
- Step 1: Write the proportion equation
5,960,628.40 : 8,225,438.64 = 3,382,155.28 : x - Step 2: Convert to fraction form
5,960,628.40/8,225,438.64 = 3,382,155.28/x - Step 3: Cross multiply
5,960,628.40x = 8,225,438.64 × 3,382,155.28 - Step 4: Simplify right side
5,960,628.40x = 27,819,710,726,592.02 - Step 5: Solve for x
x = 27,819,710,726,592.02/5,960,628.40 - Step 6: Final answer
x = 4,667,244.60
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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.