Finding the Fourth Proportional to 1,900,173.38, 2,622,246.26 and 1,029,008.48
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Solution
The fourth proportional to 1,900,173.38, 2,622,246.26 and 1,029,008.48 is: 1,420,035.48
Step by Step Solution
- Step 1: Write the proportion equation
1,900,173.38 : 2,622,246.26 = 1,029,008.48 : x - Step 2: Convert to fraction form
1,900,173.38/2,622,246.26 = 1,029,008.48/x - Step 3: Cross multiply
1,900,173.38x = 2,622,246.26 × 1,029,008.48 - Step 4: Simplify right side
1,900,173.38x = 2,698,313,619,932.01 - Step 5: Solve for x
x = 2,698,313,619,932.01/1,900,173.38 - Step 6: Final answer
x = 1,420,035.48
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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.