Finding the Fourth Proportional to 1,811,775.12, 2,716,107.48 and 1,012,402.32
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Solution
The fourth proportional to 1,811,775.12, 2,716,107.48 and 1,012,402.32 is: 1,517,734.45
Step by Step Solution
- Step 1: Write the proportion equation
1,811,775.12 : 2,716,107.48 = 1,012,402.32 : x - Step 2: Convert to fraction form
1,811,775.12/2,716,107.48 = 1,012,402.32/x - Step 3: Cross multiply
1,811,775.12x = 2,716,107.48 × 1,012,402.32 - Step 4: Simplify right side
1,811,775.12x = 2,749,793,514,121.35 - Step 5: Solve for x
x = 2,749,793,514,121.35/1,811,775.12 - Step 6: Final answer
x = 1,517,734.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.