Finding the Fourth Proportional to 1,624,176.69, 2,435,278.49 and 813,618.45
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Solution
The fourth proportional to 1,624,176.69, 2,435,278.49 and 813,618.45 is: 1,219,933.47
Step by Step Solution
- Step 1: Write the proportion equation
1,624,176.69 : 2,435,278.49 = 813,618.45 : x - Step 2: Convert to fraction form
1,624,176.69/2,435,278.49 = 813,618.45/x - Step 3: Cross multiply
1,624,176.69x = 2,435,278.49 × 813,618.45 - Step 4: Simplify right side
1,624,176.69x = 1,981,387,504,774.20 - Step 5: Solve for x
x = 1,981,387,504,774.20/1,624,176.69 - Step 6: Final answer
x = 1,219,933.47
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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.