Finding the Fourth Proportional to 2,210,306.18, 3,315,448.17 and 1,909,872.62
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Solution
The fourth proportional to 2,210,306.18, 3,315,448.17 and 1,909,872.62 is: 2,864,799.34
Step by Step Solution
- Step 1: Write the proportion equation
2,210,306.18 : 3,315,448.17 = 1,909,872.62 : x - Step 2: Convert to fraction form
2,210,306.18/3,315,448.17 = 1,909,872.62/x - Step 3: Cross multiply
2,210,306.18x = 3,315,448.17 × 1,909,872.62 - Step 4: Simplify right side
2,210,306.18x = 6,332,083,682,912.11 - Step 5: Solve for x
x = 6,332,083,682,912.11/2,210,306.18 - Step 6: Final answer
x = 2,864,799.34
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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.