Finding the Fourth Proportional to 1,661,423.74, 2,492,135.30 and 399,251.36
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Solution
The fourth proportional to 1,661,423.74, 2,492,135.30 and 399,251.36 is: 598,876.97
Step by Step Solution
- Step 1: Write the proportion equation
1,661,423.74 : 2,492,135.30 = 399,251.36 : x - Step 2: Convert to fraction form
1,661,423.74/2,492,135.30 = 399,251.36/x - Step 3: Cross multiply
1,661,423.74x = 2,492,135.30 × 399,251.36 - Step 4: Simplify right side
1,661,423.74x = 994,988,415,057.48 - Step 5: Solve for x
x = 994,988,415,057.48/1,661,423.74 - Step 6: Final answer
x = 598,876.97
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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.