Finding the Fourth Proportional to 5,370,943.45, 8,056,336.21 and 1,327,431.62
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Solution
The fourth proportional to 5,370,943.45, 8,056,336.21 and 1,327,431.62 is: 1,991,127.91
Step by Step Solution
- Step 1: Write the proportion equation
5,370,943.45 : 8,056,336.21 = 1,327,431.62 : x - Step 2: Convert to fraction form
5,370,943.45/8,056,336.21 = 1,327,431.62/x - Step 3: Cross multiply
5,370,943.45x = 8,056,336.21 × 1,327,431.62 - Step 4: Simplify right side
5,370,943.45x = 10,694,235,426,504.96 - Step 5: Solve for x
x = 10,694,235,426,504.96/5,370,943.45 - Step 6: Final answer
x = 1,991,127.91
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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.