Finding the Fourth Proportional to 1,442,147.96, 1,990,430.42 and 926,546.39
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Solution
The fourth proportional to 1,442,147.96, 1,990,430.42 and 926,546.39 is: 1,278,805.07
Step by Step Solution
- Step 1: Write the proportion equation
1,442,147.96 : 1,990,430.42 = 926,546.39 : x - Step 2: Convert to fraction form
1,442,147.96/1,990,430.42 = 926,546.39/x - Step 3: Cross multiply
1,442,147.96x = 1,990,430.42 × 926,546.39 - Step 4: Simplify right side
1,442,147.96x = 1,844,226,121,280.41 - Step 5: Solve for x
x = 1,844,226,121,280.41/1,442,147.96 - Step 6: Final answer
x = 1,278,805.07
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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.