Finding the Fourth Proportional to 2,351,732.16, 3,245,386.08 and 1,278,641.60
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Solution
The fourth proportional to 2,351,732.16, 3,245,386.08 and 1,278,641.60 is: 1,764,523.07
Step by Step Solution
- Step 1: Write the proportion equation
2,351,732.16 : 3,245,386.08 = 1,278,641.60 : x - Step 2: Convert to fraction form
2,351,732.16/3,245,386.08 = 1,278,641.60/x - Step 3: Cross multiply
2,351,732.16x = 3,245,386.08 × 1,278,641.60 - Step 4: Simplify right side
2,351,732.16x = 4,149,685,649,948.93 - Step 5: Solve for x
x = 4,149,685,649,948.93/2,351,732.16 - Step 6: Final answer
x = 1,764,523.07
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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.