Finding the Fourth Proportional to 1,818,923.69, 2,727,919.99 and 539,231.92
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Solution
The fourth proportional to 1,818,923.69, 2,727,919.99 and 539,231.92 is: 808,709.87
Step by Step Solution
- Step 1: Write the proportion equation
1,818,923.69 : 2,727,919.99 = 539,231.92 : x - Step 2: Convert to fraction form
1,818,923.69/2,727,919.99 = 539,231.92/x - Step 3: Cross multiply
1,818,923.69x = 2,727,919.99 × 539,231.92 - Step 4: Simplify right side
1,818,923.69x = 1,470,981,533,814.08 - Step 5: Solve for x
x = 1,470,981,533,814.08/1,818,923.69 - Step 6: Final answer
x = 808,709.87
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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.