Finding the Fourth Proportional to 4,152,756.80, 6,229,135.20 and 4,082,772.80
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Solution
The fourth proportional to 4,152,756.80, 6,229,135.20 and 4,082,772.80 is: 6,124,159.20
Step by Step Solution
- Step 1: Write the proportion equation
4,152,756.80 : 6,229,135.20 = 4,082,772.80 : x - Step 2: Convert to fraction form
4,152,756.80/6,229,135.20 = 4,082,772.80/x - Step 3: Cross multiply
4,152,756.80x = 6,229,135.20 × 4,082,772.80 - Step 4: Simplify right side
4,152,756.80x = 25,432,143,762,082.56 - Step 5: Solve for x
x = 25,432,143,762,082.56/4,152,756.80 - Step 6: Final answer
x = 6,124,159.20
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1.5x scale
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.