Finding the Fourth Proportional to 3,958,512.96, 5,462,748 and 2,239,596.48
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Solution
The fourth proportional to 3,958,512.96, 5,462,748 and 2,239,596.48 is: 3,090,643.21
Step by Step Solution
- Step 1: Write the proportion equation
3,958,512.96 : 5,462,748 = 2,239,596.48 : x - Step 2: Convert to fraction form
3,958,512.96/5,462,748 = 2,239,596.48/x - Step 3: Cross multiply
3,958,512.96x = 5,462,748 × 2,239,596.48 - Step 4: Simplify right side
3,958,512.96x = 12,234,351,191,927.04 - Step 5: Solve for x
x = 12,234,351,191,927.04/3,958,512.96 - Step 6: Final answer
x = 3,090,643.21
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1.5x scale
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.