Finding the Fourth Proportional to 3,800,198.71, 5,699,119.13 and 1,371,036.18
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Solution
The fourth proportional to 3,800,198.71, 5,699,119.13 and 1,371,036.18 is: 2,056,128.92
Step by Step Solution
- Step 1: Write the proportion equation
3,800,198.71 : 5,699,119.13 = 1,371,036.18 : x - Step 2: Convert to fraction form
3,800,198.71/5,699,119.13 = 1,371,036.18/x - Step 3: Cross multiply
3,800,198.71x = 5,699,119.13 × 1,371,036.18 - Step 4: Simplify right side
3,800,198.71x = 7,813,698,489,436.94 - Step 5: Solve for x
x = 7,813,698,489,436.94/3,800,198.71 - Step 6: Final answer
x = 2,056,128.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.