Finding the Fourth Proportional to 1,613,451.12, 2,420,706.60 and 814,354.80
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Solution
The fourth proportional to 1,613,451.12, 2,420,706.60 and 814,354.80 is: 1,221,799.67
Step by Step Solution
- Step 1: Write the proportion equation
1,613,451.12 : 2,420,706.60 = 814,354.80 : x - Step 2: Convert to fraction form
1,613,451.12/2,420,706.60 = 814,354.80/x - Step 3: Cross multiply
1,613,451.12x = 2,420,706.60 × 814,354.80 - Step 4: Simplify right side
1,613,451.12x = 1,971,314,039,101.68 - Step 5: Solve for x
x = 1,971,314,039,101.68/1,613,451.12 - Step 6: Final answer
x = 1,221,799.67
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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.