Finding the Fourth Proportional to 2,143,268.01, 2,957,857.70 and 1,416,855.96
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Solution
The fourth proportional to 2,143,268.01, 2,957,857.70 and 1,416,855.96 is: 1,955,358.96
Step by Step Solution
- Step 1: Write the proportion equation
2,143,268.01 : 2,957,857.70 = 1,416,855.96 : x - Step 2: Convert to fraction form
2,143,268.01/2,957,857.70 = 1,416,855.96/x - Step 3: Cross multiply
2,143,268.01x = 2,957,857.70 × 1,416,855.96 - Step 4: Simplify right side
2,143,268.01x = 4,190,858,303,992.61 - Step 5: Solve for x
x = 4,190,858,303,992.61/2,143,268.01 - Step 6: Final answer
x = 1,955,358.96
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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.