Finding the Fourth Proportional to 1,677,415.12, 2,515,765.36 and 479,019.28
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Solution
The fourth proportional to 1,677,415.12, 2,515,765.36 and 479,019.28 is: 718,426.88
Step by Step Solution
- Step 1: Write the proportion equation
1,677,415.12 : 2,515,765.36 = 479,019.28 : x - Step 2: Convert to fraction form
1,677,415.12/2,515,765.36 = 479,019.28/x - Step 3: Cross multiply
1,677,415.12x = 2,515,765.36 × 479,019.28 - Step 4: Simplify right side
1,677,415.12x = 1,205,100,111,396.14 - Step 5: Solve for x
x = 1,205,100,111,396.14/1,677,415.12 - Step 6: Final answer
x = 718,426.88
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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.