Finding the Fourth Proportional to 1,719,536.60, 2,575,371.90 and 821,609.12
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Solution
The fourth proportional to 1,719,536.60, 2,575,371.90 and 821,609.12 is: 1,230,534.46
Step by Step Solution
- Step 1: Write the proportion equation
1,719,536.60 : 2,575,371.90 = 821,609.12 : x - Step 2: Convert to fraction form
1,719,536.60/2,575,371.90 = 821,609.12/x - Step 3: Cross multiply
1,719,536.60x = 2,575,371.90 × 821,609.12 - Step 4: Simplify right side
1,719,536.60x = 2,115,949,040,431.73 - Step 5: Solve for x
x = 2,115,949,040,431.73/1,719,536.60 - Step 6: Final answer
x = 1,230,534.46
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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.