Finding the Fourth Proportional to 1,613,872.35, 2,420,242.74 and 476,331.03
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Solution
The fourth proportional to 1,613,872.35, 2,420,242.74 and 476,331.03 is: 714,329.55
Step by Step Solution
- Step 1: Write the proportion equation
1,613,872.35 : 2,420,242.74 = 476,331.03 : x - Step 2: Convert to fraction form
1,613,872.35/2,420,242.74 = 476,331.03/x - Step 3: Cross multiply
1,613,872.35x = 2,420,242.74 × 476,331.03 - Step 4: Simplify right side
1,613,872.35x = 1,152,836,717,194.22 - Step 5: Solve for x
x = 1,152,836,717,194.22/1,613,872.35 - Step 6: Final answer
x = 714,329.55
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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.