Finding the Fourth Proportional to 5,104,870.92, 7,044,769.11 and 2,813,113.62
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Solution
The fourth proportional to 5,104,870.92, 7,044,769.11 and 2,813,113.62 is: 3,882,122.83
Step by Step Solution
- Step 1: Write the proportion equation
5,104,870.92 : 7,044,769.11 = 2,813,113.62 : x - Step 2: Convert to fraction form
5,104,870.92/7,044,769.11 = 2,813,113.62/x - Step 3: Cross multiply
5,104,870.92x = 7,044,769.11 × 2,813,113.62 - Step 4: Simplify right side
5,104,870.92x = 19,817,735,933,096.28 - Step 5: Solve for x
x = 19,817,735,933,096.28/5,104,870.92 - Step 6: Final answer
x = 3,882,122.83
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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.