Finding the Fourth Proportional to 7,541,737.22, 11,312,628.87 and 1,861,962.14
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Solution
The fourth proportional to 7,541,737.22, 11,312,628.87 and 1,861,962.14 is: 2,792,948.90
Step by Step Solution
- Step 1: Write the proportion equation
7,541,737.22 : 11,312,628.87 = 1,861,962.14 : x - Step 2: Convert to fraction form
7,541,737.22/11,312,628.87 = 1,861,962.14/x - Step 3: Cross multiply
7,541,737.22x = 11,312,628.87 × 1,861,962.14 - Step 4: Simplify right side
7,541,737.22x = 21,063,686,659,810.98 - Step 5: Solve for x
x = 21,063,686,659,810.98/7,541,737.22 - Step 6: Final answer
x = 2,792,948.90
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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.