Finding the Fourth Proportional to 7,050,658.40, 10,577,542.80 and 2,258,568.80
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Solution
The fourth proportional to 7,050,658.40, 10,577,542.80 and 2,258,568.80 is: 3,388,351.38
Step by Step Solution
- Step 1: Write the proportion equation
7,050,658.40 : 10,577,542.80 = 2,258,568.80 : x - Step 2: Convert to fraction form
7,050,658.40/10,577,542.80 = 2,258,568.80/x - Step 3: Cross multiply
7,050,658.40x = 10,577,542.80 × 2,258,568.80 - Step 4: Simplify right side
7,050,658.40x = 23,890,108,148,744.64 - Step 5: Solve for x
x = 23,890,108,148,744.64/7,050,658.40 - Step 6: Final answer
x = 3,388,351.38
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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.