Finding the Fourth Proportional to 3,866,270.78, 5,335,457.19 and 2,124,052.97
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Solution
The fourth proportional to 3,866,270.78, 5,335,457.19 and 2,124,052.97 is: 2,931,195.02
Step by Step Solution
- Step 1: Write the proportion equation
3,866,270.78 : 5,335,457.19 = 2,124,052.97 : x - Step 2: Convert to fraction form
3,866,270.78/5,335,457.19 = 2,124,052.97/x - Step 3: Cross multiply
3,866,270.78x = 5,335,457.19 × 2,124,052.97 - Step 4: Simplify right side
3,866,270.78x = 11,332,793,664,050.07 - Step 5: Solve for x
x = 11,332,793,664,050.07/3,866,270.78 - Step 6: Final answer
x = 2,931,195.02
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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.