Finding the Fourth Proportional to 1,368,218.12, 2,052,327.18 and 828,583.16
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Solution
The fourth proportional to 1,368,218.12, 2,052,327.18 and 828,583.16 is: 1,242,874.74
Step by Step Solution
- Step 1: Write the proportion equation
1,368,218.12 : 2,052,327.18 = 828,583.16 : x - Step 2: Convert to fraction form
1,368,218.12/2,052,327.18 = 828,583.16/x - Step 3: Cross multiply
1,368,218.12x = 2,052,327.18 × 828,583.16 - Step 4: Simplify right side
1,368,218.12x = 1,700,523,740,158.29 - Step 5: Solve for x
x = 1,700,523,740,158.29/1,368,218.12 - Step 6: Final answer
x = 1,242,874.74
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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.