Finding the Fourth Proportional to 1,431,419.04, 2,147,137.74 and 420,536.88
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Solution
The fourth proportional to 1,431,419.04, 2,147,137.74 and 420,536.88 is: 630,808.02
Step by Step Solution
- Step 1: Write the proportion equation
1,431,419.04 : 2,147,137.74 = 420,536.88 : x - Step 2: Convert to fraction form
1,431,419.04/2,147,137.74 = 420,536.88/x - Step 3: Cross multiply
1,431,419.04x = 2,147,137.74 × 420,536.88 - Step 4: Simplify right side
1,431,419.04x = 902,950,606,109.85 - Step 5: Solve for x
x = 902,950,606,109.85/1,431,419.04 - Step 6: Final answer
x = 630,808.02
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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.