Finding the Fourth Proportional to 1,473,163.20, 2,209,744.80 and 763,408.80
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Solution
The fourth proportional to 1,473,163.20, 2,209,744.80 and 763,408.80 is: 1,145,113.20
Step by Step Solution
- Step 1: Write the proportion equation
1,473,163.20 : 2,209,744.80 = 763,408.80 : x - Step 2: Convert to fraction form
1,473,163.20/2,209,744.80 = 763,408.80/x - Step 3: Cross multiply
1,473,163.20x = 2,209,744.80 × 763,408.80 - Step 4: Simplify right side
1,473,163.20x = 1,686,938,626,074.24 - Step 5: Solve for x
x = 1,686,938,626,074.24/1,473,163.20 - Step 6: Final answer
x = 1,145,113.20
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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.