Finding the Fourth Proportional to 2,989,771.20, 4,474,159.20 and 2,044,987.20
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Solution
The fourth proportional to 2,989,771.20, 4,474,159.20 and 2,044,987.20 is: 3,060,300.50
Step by Step Solution
- Step 1: Write the proportion equation
2,989,771.20 : 4,474,159.20 = 2,044,987.20 : x - Step 2: Convert to fraction form
2,989,771.20/4,474,159.20 = 2,044,987.20/x - Step 3: Cross multiply
2,989,771.20x = 4,474,159.20 × 2,044,987.20 - Step 4: Simplify right side
2,989,771.20x = 9,149,598,294,762.24 - Step 5: Solve for x
x = 9,149,598,294,762.24/2,989,771.20 - Step 6: Final answer
x = 3,060,300.50
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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.