Finding the Fourth Proportional to 1,860,763.20, 2,791,705.11 and 581,318.99
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Solution
The fourth proportional to 1,860,763.20, 2,791,705.11 and 581,318.99 is: 872,153.53
Step by Step Solution
- Step 1: Write the proportion equation
1,860,763.20 : 2,791,705.11 = 581,318.99 : x - Step 2: Convert to fraction form
1,860,763.20/2,791,705.11 = 581,318.99/x - Step 3: Cross multiply
1,860,763.20x = 2,791,705.11 × 581,318.99 - Step 4: Simplify right side
1,860,763.20x = 1,622,871,194,923.04 - Step 5: Solve for x
x = 1,622,871,194,923.04/1,860,763.20 - Step 6: Final answer
x = 872,153.53
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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.