Finding the Fourth Proportional to 4,900,781.70, 6,762,087.72 and 2,863,197.54
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Solution
The fourth proportional to 4,900,781.70, 6,762,087.72 and 2,863,197.54 is: 3,950,633.62
Step by Step Solution
- Step 1: Write the proportion equation
4,900,781.70 : 6,762,087.72 = 2,863,197.54 : x - Step 2: Convert to fraction form
4,900,781.70/6,762,087.72 = 2,863,197.54/x - Step 3: Cross multiply
4,900,781.70x = 6,762,087.72 × 2,863,197.54 - Step 4: Simplify right side
4,900,781.70x = 19,361,192,925,168.21 - Step 5: Solve for x
x = 19,361,192,925,168.21/4,900,781.70 - Step 6: Final answer
x = 3,950,633.62
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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.