Finding the Fourth Proportional to 5,418,634.98, 8,122,262.90 and 1,823,153.79
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Solution
The fourth proportional to 5,418,634.98, 8,122,262.90 and 1,823,153.79 is: 2,732,816.37
Step by Step Solution
- Step 1: Write the proportion equation
5,418,634.98 : 8,122,262.90 = 1,823,153.79 : x - Step 2: Convert to fraction form
5,418,634.98/8,122,262.90 = 1,823,153.79/x - Step 3: Cross multiply
5,418,634.98x = 8,122,262.90 × 1,823,153.79 - Step 4: Simplify right side
5,418,634.98x = 14,808,134,380,395.62 - Step 5: Solve for x
x = 14,808,134,380,395.62/5,418,634.98 - Step 6: Final answer
x = 2,732,816.37
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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.