Finding the Fourth Proportional to 2,289,578.80, 3,434,368.20 and 2,029,763.20
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Solution
The fourth proportional to 2,289,578.80, 3,434,368.20 and 2,029,763.20 is: 3,044,644.80
Step by Step Solution
- Step 1: Write the proportion equation
2,289,578.80 : 3,434,368.20 = 2,029,763.20 : x - Step 2: Convert to fraction form
2,289,578.80/3,434,368.20 = 2,029,763.20/x - Step 3: Cross multiply
2,289,578.80x = 3,434,368.20 × 2,029,763.20 - Step 4: Simplify right side
2,289,578.80x = 6,970,954,187,610.24 - Step 5: Solve for x
x = 6,970,954,187,610.24/2,289,578.80 - Step 6: Final answer
x = 3,044,644.80
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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.