Finding the Fourth Proportional to 4,857,740.79, 7,289,132.99 and 1,981,217.96
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Solution
The fourth proportional to 4,857,740.79, 7,289,132.99 and 1,981,217.96 is: 2,972,855.45
Step by Step Solution
- Step 1: Write the proportion equation
4,857,740.79 : 7,289,132.99 = 1,981,217.96 : x - Step 2: Convert to fraction form
4,857,740.79/7,289,132.99 = 1,981,217.96/x - Step 3: Cross multiply
4,857,740.79x = 7,289,132.99 × 1,981,217.96 - Step 4: Simplify right side
4,857,740.79x = 14,441,361,178,225.16 - Step 5: Solve for x
x = 14,441,361,178,225.16/4,857,740.79 - Step 6: Final answer
x = 2,972,855.45
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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.