Finding the Fourth Proportional to 3,975,529.14, 5,486,080.68 and 2,429,376.18
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Solution
The fourth proportional to 3,975,529.14, 5,486,080.68 and 2,429,376.18 is: 3,352,447.75
Step by Step Solution
- Step 1: Write the proportion equation
3,975,529.14 : 5,486,080.68 = 2,429,376.18 : x - Step 2: Convert to fraction form
3,975,529.14/5,486,080.68 = 2,429,376.18/x - Step 3: Cross multiply
3,975,529.14x = 5,486,080.68 × 2,429,376.18 - Step 4: Simplify right side
3,975,529.14x = 13,327,753,725,550.20 - Step 5: Solve for x
x = 13,327,753,725,550.20/3,975,529.14 - Step 6: Final answer
x = 3,352,447.75
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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.