Finding the Fourth Proportional to 6,222,720.16, 8,587,917.84 and 3,775,951.14
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Solution
The fourth proportional to 6,222,720.16, 8,587,917.84 and 3,775,951.14 is: 5,211,154.82
Step by Step Solution
- Step 1: Write the proportion equation
6,222,720.16 : 8,587,917.84 = 3,775,951.14 : x - Step 2: Convert to fraction form
6,222,720.16/8,587,917.84 = 3,775,951.14/x - Step 3: Cross multiply
6,222,720.16x = 8,587,917.84 × 3,775,951.14 - Step 4: Simplify right side
6,222,720.16x = 32,427,558,158,174.34 - Step 5: Solve for x
x = 32,427,558,158,174.34/6,222,720.16 - Step 6: Final answer
x = 5,211,154.82
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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.