Finding the Fourth Proportional to 1,488,125.12, 2,053,627.08 and 809,076.08
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Solution
The fourth proportional to 1,488,125.12, 2,053,627.08 and 809,076.08 is: 1,116,532.83
Step by Step Solution
- Step 1: Write the proportion equation
1,488,125.12 : 2,053,627.08 = 809,076.08 : x - Step 2: Convert to fraction form
1,488,125.12/2,053,627.08 = 809,076.08/x - Step 3: Cross multiply
1,488,125.12x = 2,053,627.08 × 809,076.08 - Step 4: Simplify right side
1,488,125.12x = 1,661,540,547,668.25 - Step 5: Solve for x
x = 1,661,540,547,668.25/1,488,125.12 - Step 6: Final answer
x = 1,116,532.83
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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.