Finding the Fourth Proportional to 5,725,821.09, 7,901,433.05 and 3,147,483.42
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Solution
The fourth proportional to 5,725,821.09, 7,901,433.05 and 3,147,483.42 is: 4,343,417.15
Step by Step Solution
- Step 1: Write the proportion equation
5,725,821.09 : 7,901,433.05 = 3,147,483.42 : x - Step 2: Convert to fraction form
5,725,821.09/7,901,433.05 = 3,147,483.42/x - Step 3: Cross multiply
5,725,821.09x = 7,901,433.05 × 3,147,483.42 - Step 4: Simplify right side
5,725,821.09x = 24,869,629,519,115.03 - Step 5: Solve for x
x = 24,869,629,519,115.03/5,725,821.09 - Step 6: Final answer
x = 4,343,417.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.