Finding the Fourth Proportional to 3,868,497.91, 5,336,871.50 and 2,415,671.07
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Solution
The fourth proportional to 3,868,497.91, 5,336,871.50 and 2,415,671.07 is: 3,332,592.23
Step by Step Solution
- Step 1: Write the proportion equation
3,868,497.91 : 5,336,871.50 = 2,415,671.07 : x - Step 2: Convert to fraction form
3,868,497.91/5,336,871.50 = 2,415,671.07/x - Step 3: Cross multiply
3,868,497.91x = 5,336,871.50 × 2,415,671.07 - Step 4: Simplify right side
3,868,497.91x = 12,892,126,086,857.50 - Step 5: Solve for x
x = 12,892,126,086,857.50/3,868,497.91 - Step 6: Final answer
x = 3,332,592.23
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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.