Finding the Fourth Proportional to 3,907,486.96, 5,394,965.18 and 2,439,632.68
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Solution
The fourth proportional to 3,907,486.96, 5,394,965.18 and 2,439,632.68 is: 3,368,337.12
Step by Step Solution
- Step 1: Write the proportion equation
3,907,486.96 : 5,394,965.18 = 2,439,632.68 : x - Step 2: Convert to fraction form
3,907,486.96/5,394,965.18 = 2,439,632.68/x - Step 3: Cross multiply
3,907,486.96x = 5,394,965.18 × 2,439,632.68 - Step 4: Simplify right side
3,907,486.96x = 13,161,733,360,590.08 - Step 5: Solve for x
x = 13,161,733,360,590.08/3,907,486.96 - Step 6: Final answer
x = 3,368,337.12
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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.