Finding the Fourth Proportional to 2,856,971.11, 3,942,649.88 and 1,567,894.99
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Solution
The fourth proportional to 2,856,971.11, 3,942,649.88 and 1,567,894.99 is: 2,163,711.41
Step by Step Solution
- Step 1: Write the proportion equation
2,856,971.11 : 3,942,649.88 = 1,567,894.99 : x - Step 2: Convert to fraction form
2,856,971.11/3,942,649.88 = 1,567,894.99/x - Step 3: Cross multiply
2,856,971.11x = 3,942,649.88 × 1,567,894.99 - Step 4: Simplify right side
2,856,971.11x = 6,181,660,986,336.63 - Step 5: Solve for x
x = 6,181,660,986,336.63/2,856,971.11 - Step 6: Final answer
x = 2,163,711.41
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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.