Finding the Fourth Proportional to 2,139,073.68, 3,206,451.44 and 1,340,915.74
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Solution
The fourth proportional to 2,139,073.68, 3,206,451.44 and 1,340,915.74 is: 2,010,020.15
Step by Step Solution
- Step 1: Write the proportion equation
2,139,073.68 : 3,206,451.44 = 1,340,915.74 : x - Step 2: Convert to fraction form
2,139,073.68/3,206,451.44 = 1,340,915.74/x - Step 3: Cross multiply
2,139,073.68x = 3,206,451.44 × 1,340,915.74 - Step 4: Simplify right side
2,139,073.68x = 4,299,581,205,441.67 - Step 5: Solve for x
x = 4,299,581,205,441.67/2,139,073.68 - Step 6: Final answer
x = 2,010,020.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.