Finding the Fourth Proportional to 3,528,138.24, 5,293,956.80 and 1,398,175.20
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Solution
The fourth proportional to 3,528,138.24, 5,293,956.80 and 1,398,175.20 is: 2,097,956.09
Step by Step Solution
- Step 1: Write the proportion equation
3,528,138.24 : 5,293,956.80 = 1,398,175.20 : x - Step 2: Convert to fraction form
3,528,138.24/5,293,956.80 = 1,398,175.20/x - Step 3: Cross multiply
3,528,138.24x = 5,293,956.80 × 1,398,175.20 - Step 4: Simplify right side
3,528,138.24x = 7,401,879,107,631.36 - Step 5: Solve for x
x = 7,401,879,107,631.36/3,528,138.24 - Step 6: Final answer
x = 2,097,956.09
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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.