Finding the Fourth Proportional to 2,821,733.20, 4,235,364.60 and 1,403,390.80
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Solution
The fourth proportional to 2,821,733.20, 4,235,364.60 and 1,403,390.80 is: 2,106,461.28
Step by Step Solution
- Step 1: Write the proportion equation
2,821,733.20 : 4,235,364.60 = 1,403,390.80 : x - Step 2: Convert to fraction form
2,821,733.20/4,235,364.60 = 1,403,390.80/x - Step 3: Cross multiply
2,821,733.20x = 4,235,364.60 × 1,403,390.80 - Step 4: Simplify right side
2,821,733.20x = 5,943,871,714,285.68 - Step 5: Solve for x
x = 5,943,871,714,285.68/2,821,733.20 - Step 6: Final answer
x = 2,106,461.28
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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.