Finding the Fourth Proportional to 5,440,311.29, 8,160,171.62 and 1,653,498.92
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Solution
The fourth proportional to 5,440,311.29, 8,160,171.62 and 1,653,498.92 is: 2,480,158.62
Step by Step Solution
- Step 1: Write the proportion equation
5,440,311.29 : 8,160,171.62 = 1,653,498.92 : x - Step 2: Convert to fraction form
5,440,311.29/8,160,171.62 = 1,653,498.92/x - Step 3: Cross multiply
5,440,311.29x = 8,160,171.62 × 1,653,498.92 - Step 4: Simplify right side
5,440,311.29x = 13,492,834,911,616.30 - Step 5: Solve for x
x = 13,492,834,911,616.30/5,440,311.29 - Step 6: Final answer
x = 2,480,158.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.