Finding the Fourth Proportional to 3,977,747.21, 5,969,592.30 and 2,695,313.90
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Solution
The fourth proportional to 3,977,747.21, 5,969,592.30 and 2,695,313.90 is: 4,044,984.32
Step by Step Solution
- Step 1: Write the proportion equation
3,977,747.21 : 5,969,592.30 = 2,695,313.90 : x - Step 2: Convert to fraction form
3,977,747.21/5,969,592.30 = 2,695,313.90/x - Step 3: Cross multiply
3,977,747.21x = 5,969,592.30 × 2,695,313.90 - Step 4: Simplify right side
3,977,747.21x = 16,089,925,103,522.97 - Step 5: Solve for x
x = 16,089,925,103,522.97/3,977,747.21 - Step 6: Final answer
x = 4,044,984.32
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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.