Finding the Fourth Proportional to 5,104,871.42, 7,044,769.80 and 2,813,114.12
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Solution
The fourth proportional to 5,104,871.42, 7,044,769.80 and 2,813,114.12 is: 3,882,123.52
Step by Step Solution
- Step 1: Write the proportion equation
5,104,871.42 : 7,044,769.80 = 2,813,114.12 : x - Step 2: Convert to fraction form
5,104,871.42/7,044,769.80 = 2,813,114.12/x - Step 3: Cross multiply
5,104,871.42x = 7,044,769.80 × 2,813,114.12 - Step 4: Simplify right side
5,104,871.42x = 19,817,741,396,529.58 - Step 5: Solve for x
x = 19,817,741,396,529.58/5,104,871.42 - Step 6: Final answer
x = 3,882,123.52
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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.