Finding the Fourth Proportional to 1,472,668.12, 2,208,742.96 and 393,194.08
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Solution
The fourth proportional to 1,472,668.12, 2,208,742.96 and 393,194.08 is: 589,721.91
Step by Step Solution
- Step 1: Write the proportion equation
1,472,668.12 : 2,208,742.96 = 393,194.08 : x - Step 2: Convert to fraction form
1,472,668.12/2,208,742.96 = 393,194.08/x - Step 3: Cross multiply
1,472,668.12x = 2,208,742.96 × 393,194.08 - Step 4: Simplify right side
1,472,668.12x = 868,464,656,113.68 - Step 5: Solve for x
x = 868,464,656,113.68/1,472,668.12 - Step 6: Final answer
x = 589,721.91
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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.