Finding the Fourth Proportional to 2,156,452.80, 3,234,679.20 and 2,114,462.40
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Solution
The fourth proportional to 2,156,452.80, 3,234,679.20 and 2,114,462.40 is: 3,171,693.60
Step by Step Solution
- Step 1: Write the proportion equation
2,156,452.80 : 3,234,679.20 = 2,114,462.40 : x - Step 2: Convert to fraction form
2,156,452.80/3,234,679.20 = 2,114,462.40/x - Step 3: Cross multiply
2,156,452.80x = 3,234,679.20 × 2,114,462.40 - Step 4: Simplify right side
2,156,452.80x = 6,839,607,544,462.08 - Step 5: Solve for x
x = 6,839,607,544,462.08/2,156,452.80 - Step 6: Final answer
x = 3,171,693.60
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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.