Finding the Fourth Proportional to 3,975,868.16, 5,486,554.06 and 2,429,716.58
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Solution
The fourth proportional to 3,975,868.16, 5,486,554.06 and 2,429,716.58 is: 3,352,920.88
Step by Step Solution
- Step 1: Write the proportion equation
3,975,868.16 : 5,486,554.06 = 2,429,716.58 : x - Step 2: Convert to fraction form
3,975,868.16/5,486,554.06 = 2,429,716.58/x - Step 3: Cross multiply
3,975,868.16x = 5,486,554.06 × 2,429,716.58 - Step 4: Simplify right side
3,975,868.16x = 13,330,771,366,648.31 - Step 5: Solve for x
x = 13,330,771,366,648.31/3,975,868.16 - Step 6: Final answer
x = 3,352,920.88
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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.