Finding the Fourth Proportional to 5,015,674.28, 6,921,630 and 2,840,216.87
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Solution
The fourth proportional to 5,015,674.28, 6,921,630 and 2,840,216.87 is: 3,919,499.00
Step by Step Solution
- Step 1: Write the proportion equation
5,015,674.28 : 6,921,630 = 2,840,216.87 : x - Step 2: Convert to fraction form
5,015,674.28/6,921,630 = 2,840,216.87/x - Step 3: Cross multiply
5,015,674.28x = 6,921,630 × 2,840,216.87 - Step 4: Simplify right side
5,015,674.28x = 19,658,930,311,202.18 - Step 5: Solve for x
x = 19,658,930,311,202.18/5,015,674.28 - Step 6: Final answer
x = 3,919,499.00
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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.