Finding the Fourth Proportional to 1,531,548.19, 2,297,321.74 and 409,588.03
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Solution
The fourth proportional to 1,531,548.19, 2,297,321.74 and 409,588.03 is: 614,381.90
Step by Step Solution
- Step 1: Write the proportion equation
1,531,548.19 : 2,297,321.74 = 409,588.03 : x - Step 2: Convert to fraction form
1,531,548.19/2,297,321.74 = 409,588.03/x - Step 3: Cross multiply
1,531,548.19x = 2,297,321.74 × 409,588.03 - Step 4: Simplify right side
1,531,548.19x = 940,955,485,762.77 - Step 5: Solve for x
x = 940,955,485,762.77/1,531,548.19 - Step 6: Final answer
x = 614,381.90
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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.