Finding the Fourth Proportional to 1,613,661.62, 2,420,755.12 and 476,538.84
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Solution
The fourth proportional to 1,613,661.62, 2,420,755.12 and 476,538.84 is: 714,885.84
Step by Step Solution
- Step 1: Write the proportion equation
1,613,661.62 : 2,420,755.12 = 476,538.84 : x - Step 2: Convert to fraction form
1,613,661.62/2,420,755.12 = 476,538.84/x - Step 3: Cross multiply
1,613,661.62x = 2,420,755.12 × 476,538.84 - Step 4: Simplify right side
1,613,661.62x = 1,153,583,836,808.86 - Step 5: Solve for x
x = 1,153,583,836,808.86/1,613,661.62 - Step 6: Final answer
x = 714,885.84
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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.