Finding the Fourth Proportional to 5,239,981.79, 7,859,972.68 and 1,453,464.66
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Solution
The fourth proportional to 5,239,981.79, 7,859,972.68 and 1,453,464.66 is: 2,180,196.99
Step by Step Solution
- Step 1: Write the proportion equation
5,239,981.79 : 7,859,972.68 = 1,453,464.66 : x - Step 2: Convert to fraction form
5,239,981.79/7,859,972.68 = 1,453,464.66/x - Step 3: Cross multiply
5,239,981.79x = 7,859,972.68 × 1,453,464.66 - Step 4: Simplify right side
5,239,981.79x = 11,424,192,515,311.83 - Step 5: Solve for x
x = 11,424,192,515,311.83/5,239,981.79 - Step 6: Final answer
x = 2,180,196.99
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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.