Finding the Fourth Proportional to 1,455,742.62, 2,008,904.49 and 811,189.98
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Solution
The fourth proportional to 1,455,742.62, 2,008,904.49 and 811,189.98 is: 1,119,430.85
Step by Step Solution
- Step 1: Write the proportion equation
1,455,742.62 : 2,008,904.49 = 811,189.98 : x - Step 2: Convert to fraction form
1,455,742.62/2,008,904.49 = 811,189.98/x - Step 3: Cross multiply
1,455,742.62x = 2,008,904.49 × 811,189.98 - Step 4: Simplify right side
1,455,742.62x = 1,629,603,193,065.01 - Step 5: Solve for x
x = 1,629,603,193,065.01/1,455,742.62 - Step 6: Final answer
x = 1,119,430.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.