Finding the Fourth Proportional to 2,059,636.90, 3,089,455.35 and 1,421,907.70
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Solution
The fourth proportional to 2,059,636.90, 3,089,455.35 and 1,421,907.70 is: 2,132,861.55
Step by Step Solution
- Step 1: Write the proportion equation
2,059,636.90 : 3,089,455.35 = 1,421,907.70 : x - Step 2: Convert to fraction form
2,059,636.90/3,089,455.35 = 1,421,907.70/x - Step 3: Cross multiply
2,059,636.90x = 3,089,455.35 × 1,421,907.70 - Step 4: Simplify right side
2,059,636.90x = 4,392,920,350,971.20 - Step 5: Solve for x
x = 4,392,920,350,971.20/2,059,636.90 - Step 6: Final answer
x = 2,132,861.55
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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.