Finding the Fourth Proportional to 1,971,137.13, 2,957,025.57 and 772,409.62
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Solution
The fourth proportional to 1,971,137.13, 2,957,025.57 and 772,409.62 is: 1,158,739.78
Step by Step Solution
- Step 1: Write the proportion equation
1,971,137.13 : 2,957,025.57 = 772,409.62 : x - Step 2: Convert to fraction form
1,971,137.13/2,957,025.57 = 772,409.62/x - Step 3: Cross multiply
1,971,137.13x = 2,957,025.57 × 772,409.62 - Step 4: Simplify right side
1,971,137.13x = 2,284,034,996,853.98 - Step 5: Solve for x
x = 2,284,034,996,853.98/1,971,137.13 - Step 6: Final answer
x = 1,158,739.78
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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.