Finding the Fourth Proportional to 1,962,862.24, 2,708,571.15 and 1,135,792.84
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Solution
The fourth proportional to 1,962,862.24, 2,708,571.15 and 1,135,792.84 is: 1,567,290.69
Step by Step Solution
- Step 1: Write the proportion equation
1,962,862.24 : 2,708,571.15 = 1,135,792.84 : x - Step 2: Convert to fraction form
1,962,862.24/2,708,571.15 = 1,135,792.84/x - Step 3: Cross multiply
1,962,862.24x = 2,708,571.15 × 1,135,792.84 - Step 4: Simplify right side
1,962,862.24x = 3,076,375,718,800.57 - Step 5: Solve for x
x = 3,076,375,718,800.57/1,962,862.24 - Step 6: Final answer
x = 1,567,290.69
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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.