Finding the Fourth Proportional to 3,486,606.24, 4,811,487.60 and 1,958,680.32
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Solution
The fourth proportional to 3,486,606.24, 4,811,487.60 and 1,958,680.32 is: 2,702,962.54
Step by Step Solution
- Step 1: Write the proportion equation
3,486,606.24 : 4,811,487.60 = 1,958,680.32 : x - Step 2: Convert to fraction form
3,486,606.24/4,811,487.60 = 1,958,680.32/x - Step 3: Cross multiply
3,486,606.24x = 4,811,487.60 × 1,958,680.32 - Step 4: Simplify right side
3,486,606.24x = 9,424,166,072,044.03 - Step 5: Solve for x
x = 9,424,166,072,044.03/3,486,606.24 - Step 6: Final answer
x = 2,702,962.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.