Finding the Fourth Proportional to 1,990,153.50, 2,984,652.97 and 775,459.20
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Solution
The fourth proportional to 1,990,153.50, 2,984,652.97 and 775,459.20 is: 1,162,963.86
Step by Step Solution
- Step 1: Write the proportion equation
1,990,153.50 : 2,984,652.97 = 775,459.20 : x - Step 2: Convert to fraction form
1,990,153.50/2,984,652.97 = 775,459.20/x - Step 3: Cross multiply
1,990,153.50x = 2,984,652.97 × 775,459.20 - Step 4: Simplify right side
1,990,153.50x = 2,314,476,588,464.62 - Step 5: Solve for x
x = 2,314,476,588,464.62/1,990,153.50 - Step 6: Final answer
x = 1,162,963.86
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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.