Finding the Fourth Proportional to 2,107,658.18, 3,161,482.58 and 1,628,582.60
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Solution
The fourth proportional to 2,107,658.18, 3,161,482.58 and 1,628,582.60 is: 2,442,870.27
Step by Step Solution
- Step 1: Write the proportion equation
2,107,658.18 : 3,161,482.58 = 1,628,582.60 : x - Step 2: Convert to fraction form
2,107,658.18/3,161,482.58 = 1,628,582.60/x - Step 3: Cross multiply
2,107,658.18x = 3,161,482.58 × 1,628,582.60 - Step 4: Simplify right side
2,107,658.18x = 5,148,735,496,040.78 - Step 5: Solve for x
x = 5,148,735,496,040.78/2,107,658.18 - Step 6: Final answer
x = 2,442,870.27
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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.