Finding the Fourth Proportional to 2,282,920.62, 3,424,297.86 and 685,442.19
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Solution
The fourth proportional to 2,282,920.62, 3,424,297.86 and 685,442.19 is: 1,028,138.34
Step by Step Solution
- Step 1: Write the proportion equation
2,282,920.62 : 3,424,297.86 = 685,442.19 : x - Step 2: Convert to fraction form
2,282,920.62/3,424,297.86 = 685,442.19/x - Step 3: Cross multiply
2,282,920.62x = 3,424,297.86 × 685,442.19 - Step 4: Simplify right side
2,282,920.62x = 2,347,158,224,370.71 - Step 5: Solve for x
x = 2,347,158,224,370.71/2,282,920.62 - Step 6: Final answer
x = 1,028,138.34
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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.