Finding the Fourth Proportional to 3,999,198.93, 5,999,420.52 and 1,302,896.49
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Solution
The fourth proportional to 3,999,198.93, 5,999,420.52 and 1,302,896.49 is: 1,954,547.42
Step by Step Solution
- Step 1: Write the proportion equation
3,999,198.93 : 5,999,420.52 = 1,302,896.49 : x - Step 2: Convert to fraction form
3,999,198.93/5,999,420.52 = 1,302,896.49/x - Step 3: Cross multiply
3,999,198.93x = 5,999,420.52 × 1,302,896.49 - Step 4: Simplify right side
3,999,198.93x = 7,816,623,937,541.98 - Step 5: Solve for x
x = 7,816,623,937,541.98/3,999,198.93 - Step 6: Final answer
x = 1,954,547.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.