Finding the Fourth Proportional to 1,941,288.76, 2,678,860.60 and 1,070,085.28
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Solution
The fourth proportional to 1,941,288.76, 2,678,860.60 and 1,070,085.28 is: 1,476,652.70
Step by Step Solution
- Step 1: Write the proportion equation
1,941,288.76 : 2,678,860.60 = 1,070,085.28 : x - Step 2: Convert to fraction form
1,941,288.76/2,678,860.60 = 1,070,085.28/x - Step 3: Cross multiply
1,941,288.76x = 2,678,860.60 × 1,070,085.28 - Step 4: Simplify right side
1,941,288.76x = 2,866,609,295,231.97 - Step 5: Solve for x
x = 2,866,609,295,231.97/1,941,288.76 - Step 6: Final answer
x = 1,476,652.70
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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.