Finding the Fourth Proportional to 5,418,622.19, 8,122,243.63 and 1,823,140.88
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Solution
The fourth proportional to 5,418,622.19, 8,122,243.63 and 1,823,140.88 is: 2,732,796.99
Step by Step Solution
- Step 1: Write the proportion equation
5,418,622.19 : 8,122,243.63 = 1,823,140.88 : x - Step 2: Convert to fraction form
5,418,622.19/8,122,243.63 = 1,823,140.88/x - Step 3: Cross multiply
5,418,622.19x = 8,122,243.63 × 1,823,140.88 - Step 4: Simplify right side
5,418,622.19x = 14,807,994,387,880.33 - Step 5: Solve for x
x = 14,807,994,387,880.33/5,418,622.19 - Step 6: Final answer
x = 2,732,796.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.