Finding the Fourth Proportional to 1,383,968.70, 2,074,968.77 and 530,316.99
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Solution
The fourth proportional to 1,383,968.70, 2,074,968.77 and 530,316.99 is: 795,098.32
Step by Step Solution
- Step 1: Write the proportion equation
1,383,968.70 : 2,074,968.77 = 530,316.99 : x - Step 2: Convert to fraction form
1,383,968.70/2,074,968.77 = 530,316.99/x - Step 3: Cross multiply
1,383,968.70x = 2,074,968.77 × 530,316.99 - Step 4: Simplify right side
1,383,968.70x = 1,100,391,189,798.82 - Step 5: Solve for x
x = 1,100,391,189,798.82/1,383,968.70 - Step 6: Final answer
x = 795,098.32
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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.