Finding the Fourth Proportional to 3,101,703.84, 4,280,351.04 and 1,743,576.84
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Solution
The fourth proportional to 3,101,703.84, 4,280,351.04 and 1,743,576.84 is: 2,406,135.89
Step by Step Solution
- Step 1: Write the proportion equation
3,101,703.84 : 4,280,351.04 = 1,743,576.84 : x - Step 2: Convert to fraction form
3,101,703.84/4,280,351.04 = 1,743,576.84/x - Step 3: Cross multiply
3,101,703.84x = 4,280,351.04 × 1,743,576.84 - Step 4: Simplify right side
3,101,703.84x = 7,463,120,940,413.91 - Step 5: Solve for x
x = 7,463,120,940,413.91/3,101,703.84 - Step 6: Final answer
x = 2,406,135.89
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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.