Finding the Fourth Proportional to 5,418,629.77, 8,122,254.99 and 1,823,148.43
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Solution
The fourth proportional to 5,418,629.77, 8,122,254.99 and 1,823,148.43 is: 2,732,808.30
Step by Step Solution
- Step 1: Write the proportion equation
5,418,629.77 : 8,122,254.99 = 1,823,148.43 : x - Step 2: Convert to fraction form
5,418,629.77/8,122,254.99 = 1,823,148.43/x - Step 3: Cross multiply
5,418,629.77x = 8,122,254.99 × 1,823,148.43 - Step 4: Simplify right side
5,418,629.77x = 14,808,076,433,078.17 - Step 5: Solve for x
x = 14,808,076,433,078.17/5,418,629.77 - Step 6: Final answer
x = 2,732,808.30
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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.