Finding the Fourth Proportional to 2,389,862.44, 3,297,302.66 and 1,422,217
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Solution
The fourth proportional to 2,389,862.44, 3,297,302.66 and 1,422,217 is: 1,962,238.42
Step by Step Solution
- Step 1: Write the proportion equation
2,389,862.44 : 3,297,302.66 = 1,422,217 : x - Step 2: Convert to fraction form
2,389,862.44/3,297,302.66 = 1,422,217/x - Step 3: Cross multiply
2,389,862.44x = 3,297,302.66 × 1,422,217 - Step 4: Simplify right side
2,389,862.44x = 4,689,479,897,197.22 - Step 5: Solve for x
x = 4,689,479,897,197.22/2,389,862.44 - Step 6: Final answer
x = 1,962,238.42
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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.