Finding the Fourth Proportional to 2,202,521.80, 3,303,005.10 and 782,624.20
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Solution
The fourth proportional to 2,202,521.80, 3,303,005.10 and 782,624.20 is: 1,173,659.99
Step by Step Solution
- Step 1: Write the proportion equation
2,202,521.80 : 3,303,005.10 = 782,624.20 : x - Step 2: Convert to fraction form
2,202,521.80/3,303,005.10 = 782,624.20/x - Step 3: Cross multiply
2,202,521.80x = 3,303,005.10 × 782,624.20 - Step 4: Simplify right side
2,202,521.80x = 2,585,011,723,983.42 - Step 5: Solve for x
x = 2,585,011,723,983.42/2,202,521.80 - Step 6: Final answer
x = 1,173,659.99
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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.