Finding the Fourth Proportional to 3,975,944.61, 5,486,659.49 and 2,429,792.99
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Solution
The fourth proportional to 3,975,944.61, 5,486,659.49 and 2,429,792.99 is: 3,353,026.28
Step by Step Solution
- Step 1: Write the proportion equation
3,975,944.61 : 5,486,659.49 = 2,429,792.99 : x - Step 2: Convert to fraction form
3,975,944.61/5,486,659.49 = 2,429,792.99/x - Step 3: Cross multiply
3,975,944.61x = 5,486,659.49 × 2,429,792.99 - Step 4: Simplify right side
3,975,944.61x = 13,331,446,745,960.16 - Step 5: Solve for x
x = 13,331,446,745,960.16/3,975,944.61 - Step 6: Final answer
x = 3,353,026.28
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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.