Finding the Fourth Proportional to 5,418,679.49, 8,122,329.80 and 1,823,198.21
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Solution
The fourth proportional to 5,418,679.49, 8,122,329.80 and 1,823,198.21 is: 2,732,883.02
Step by Step Solution
- Step 1: Write the proportion equation
5,418,679.49 : 8,122,329.80 = 1,823,198.21 : x - Step 2: Convert to fraction form
5,418,679.49/8,122,329.80 = 1,823,198.21/x - Step 3: Cross multiply
5,418,679.49x = 8,122,329.80 × 1,823,198.21 - Step 4: Simplify right side
5,418,679.49x = 14,808,617,143,273.67 - Step 5: Solve for x
x = 14,808,617,143,273.67/5,418,679.49 - Step 6: Final answer
x = 2,732,883.02
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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.