Finding the Fourth Proportional to 1,531,661.91, 2,297,492.87 and 409,701.75
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Solution
The fourth proportional to 1,531,661.91, 2,297,492.87 and 409,701.75 is: 614,552.63
Step by Step Solution
- Step 1: Write the proportion equation
1,531,661.91 : 2,297,492.87 = 409,701.75 : x - Step 2: Convert to fraction form
1,531,661.91/2,297,492.87 = 409,701.75/x - Step 3: Cross multiply
1,531,661.91x = 2,297,492.87 × 409,701.75 - Step 4: Simplify right side
1,531,661.91x = 941,286,847,403.01 - Step 5: Solve for x
x = 941,286,847,403.01/1,531,661.91 - Step 6: Final answer
x = 614,552.63
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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.