Finding the Fourth Proportional to 2,460,760.20, 3,698,138.70 and 2,152,830.60
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Solution
The fourth proportional to 2,460,760.20, 3,698,138.70 and 2,152,830.60 is: 3,235,368.55
Step by Step Solution
- Step 1: Write the proportion equation
2,460,760.20 : 3,698,138.70 = 2,152,830.60 : x - Step 2: Convert to fraction form
2,460,760.20/3,698,138.70 = 2,152,830.60/x - Step 3: Cross multiply
2,460,760.20x = 3,698,138.70 × 2,152,830.60 - Step 4: Simplify right side
2,460,760.20x = 7,961,466,156,404.22 - Step 5: Solve for x
x = 7,961,466,156,404.22/2,460,760.20 - Step 6: Final answer
x = 3,235,368.55
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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.