Finding the Fourth Proportional to 5,423,913.65, 8,087,949.58 and 5,375,231.03
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Solution
The fourth proportional to 5,423,913.65, 8,087,949.58 and 5,375,231.03 is: 8,015,355.76
Step by Step Solution
- Step 1: Write the proportion equation
5,423,913.65 : 8,087,949.58 = 5,375,231.03 : x - Step 2: Convert to fraction form
5,423,913.65/8,087,949.58 = 5,375,231.03/x - Step 3: Cross multiply
5,423,913.65x = 8,087,949.58 × 5,375,231.03 - Step 4: Simplify right side
5,423,913.65x = 43,474,597,484,175.57 - Step 5: Solve for x
x = 43,474,597,484,175.57/5,423,913.65 - Step 6: Final answer
x = 8,015,355.76
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.