Finding the Fourth Proportional to 1,486,285.88, 2,051,078.48 and 874,461.68
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Solution
The fourth proportional to 1,486,285.88, 2,051,078.48 and 874,461.68 is: 1,206,759.45
Step by Step Solution
- Step 1: Write the proportion equation
1,486,285.88 : 2,051,078.48 = 874,461.68 : x - Step 2: Convert to fraction form
1,486,285.88/2,051,078.48 = 874,461.68/x - Step 3: Cross multiply
1,486,285.88x = 2,051,078.48 × 874,461.68 - Step 4: Simplify right side
1,486,285.88x = 1,793,589,533,432.65 - Step 5: Solve for x
x = 1,793,589,533,432.65/1,486,285.88 - Step 6: Final answer
x = 1,206,759.45
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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.