Finding the Fourth Proportional to 3,163,778.75, 4,747,395.74 and 1,341,860.29
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Solution
The fourth proportional to 3,163,778.75, 4,747,395.74 and 1,341,860.29 is: 2,013,523.16
Step by Step Solution
- Step 1: Write the proportion equation
3,163,778.75 : 4,747,395.74 = 1,341,860.29 : x - Step 2: Convert to fraction form
3,163,778.75/4,747,395.74 = 1,341,860.29/x - Step 3: Cross multiply
3,163,778.75x = 4,747,395.74 × 1,341,860.29 - Step 4: Simplify right side
3,163,778.75x = 6,370,341,805,843.38 - Step 5: Solve for x
x = 6,370,341,805,843.38/3,163,778.75 - Step 6: Final answer
x = 2,013,523.16
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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.