Finding the Fourth Proportional to 1,245,236.18, 1,867,668.36 and 346,584.20
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Solution
The fourth proportional to 1,245,236.18, 1,867,668.36 and 346,584.20 is: 519,824.55
Step by Step Solution
- Step 1: Write the proportion equation
1,245,236.18 : 1,867,668.36 = 346,584.20 : x - Step 2: Convert to fraction form
1,245,236.18/1,867,668.36 = 346,584.20/x - Step 3: Cross multiply
1,245,236.18x = 1,867,668.36 × 346,584.20 - Step 4: Simplify right side
1,245,236.18x = 647,304,335,077.57 - Step 5: Solve for x
x = 647,304,335,077.57/1,245,236.18 - Step 6: Final answer
x = 519,824.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.