Finding the Fourth Proportional to 1,560,230.90, 2,340,346.35 and 1,276,795.70
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Solution
The fourth proportional to 1,560,230.90, 2,340,346.35 and 1,276,795.70 is: 1,915,193.55
Step by Step Solution
- Step 1: Write the proportion equation
1,560,230.90 : 2,340,346.35 = 1,276,795.70 : x - Step 2: Convert to fraction form
1,560,230.90/2,340,346.35 = 1,276,795.70/x - Step 3: Cross multiply
1,560,230.90x = 2,340,346.35 × 1,276,795.70 - Step 4: Simplify right side
1,560,230.90x = 2,988,144,156,190.70 - Step 5: Solve for x
x = 2,988,144,156,190.70/1,560,230.90 - Step 6: Final answer
x = 1,915,193.55
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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.