Finding the Fourth Proportional to 3,418,154.64, 4,715,178.48 and 2,193,092.28
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Solution
The fourth proportional to 3,418,154.64, 4,715,178.48 and 2,193,092.28 is: 3,025,264.39
Step by Step Solution
- Step 1: Write the proportion equation
3,418,154.64 : 4,715,178.48 = 2,193,092.28 : x - Step 2: Convert to fraction form
3,418,154.64/4,715,178.48 = 2,193,092.28/x - Step 3: Cross multiply
3,418,154.64x = 4,715,178.48 × 2,193,092.28 - Step 4: Simplify right side
3,418,154.64x = 10,340,821,523,310.13 - Step 5: Solve for x
x = 10,340,821,523,310.13/3,418,154.64 - Step 6: Final answer
x = 3,025,264.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.