Finding the Fourth Proportional to 5,624,178.28, 7,761,997.26 and 3,176,947.02
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Solution
The fourth proportional to 5,624,178.28, 7,761,997.26 and 3,176,947.02 is: 4,384,543.45
Step by Step Solution
- Step 1: Write the proportion equation
5,624,178.28 : 7,761,997.26 = 3,176,947.02 : x - Step 2: Convert to fraction form
5,624,178.28/7,761,997.26 = 3,176,947.02/x - Step 3: Cross multiply
5,624,178.28x = 7,761,997.26 × 3,176,947.02 - Step 4: Simplify right side
5,624,178.28x = 24,659,454,064,405.16 - Step 5: Solve for x
x = 24,659,454,064,405.16/5,624,178.28 - Step 6: Final answer
x = 4,384,543.45
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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.