Finding the Fourth Proportional to 5,418,623.51, 8,122,245.60 and 1,823,142.20
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Solution
The fourth proportional to 5,418,623.51, 8,122,245.60 and 1,823,142.20 is: 2,732,798.96
Step by Step Solution
- Step 1: Write the proportion equation
5,418,623.51 : 8,122,245.60 = 1,823,142.20 : x - Step 2: Convert to fraction form
5,418,623.51/8,122,245.60 = 1,823,142.20/x - Step 3: Cross multiply
5,418,623.51x = 8,122,245.60 × 1,823,142.20 - Step 4: Simplify right side
5,418,623.51x = 14,808,008,671,513.09 - Step 5: Solve for x
x = 14,808,008,671,513.09/5,418,623.51 - Step 6: Final answer
x = 2,732,798.96
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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.