Finding the Fourth Proportional to 5,104,711.80, 7,044,652.80 and 2,813,020.20
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Solution
The fourth proportional to 5,104,711.80, 7,044,652.80 and 2,813,020.20 is: 3,882,050.82
Step by Step Solution
- Step 1: Write the proportion equation
5,104,711.80 : 7,044,652.80 = 2,813,020.20 : x - Step 2: Convert to fraction form
5,104,711.80/7,044,652.80 = 2,813,020.20/x - Step 3: Cross multiply
5,104,711.80x = 7,044,652.80 × 2,813,020.20 - Step 4: Simplify right side
5,104,711.80x = 19,816,750,628,386.56 - Step 5: Solve for x
x = 19,816,750,628,386.56/5,104,711.80 - Step 6: Final answer
x = 3,882,050.82
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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.