Finding the Fourth Proportional to 1,531,660.41, 2,297,490.62 and 409,700.25
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Solution
The fourth proportional to 1,531,660.41, 2,297,490.62 and 409,700.25 is: 614,550.38
Step by Step Solution
- Step 1: Write the proportion equation
1,531,660.41 : 2,297,490.62 = 409,700.25 : x - Step 2: Convert to fraction form
1,531,660.41/2,297,490.62 = 409,700.25/x - Step 3: Cross multiply
1,531,660.41x = 2,297,490.62 × 409,700.25 - Step 4: Simplify right side
1,531,660.41x = 941,282,479,338.15 - Step 5: Solve for x
x = 941,282,479,338.15/1,531,660.41 - Step 6: Final answer
x = 614,550.38
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1.5x scale
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.