Finding the Fourth Proportional to 6,239,722.78, 8,610,874.44 and 3,661,446.52
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Solution
The fourth proportional to 6,239,722.78, 8,610,874.44 and 3,661,446.52 is: 5,052,829.65
Step by Step Solution
- Step 1: Write the proportion equation
6,239,722.78 : 8,610,874.44 = 3,661,446.52 : x - Step 2: Convert to fraction form
6,239,722.78/8,610,874.44 = 3,661,446.52/x - Step 3: Cross multiply
6,239,722.78x = 8,610,874.44 × 3,661,446.52 - Step 4: Simplify right side
6,239,722.78x = 31,528,256,252,494.95 - Step 5: Solve for x
x = 31,528,256,252,494.95/6,239,722.78 - Step 6: Final answer
x = 5,052,829.65
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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.