Finding the Fourth Proportional to 6,161,867.62, 8,502,636.39 and 3,549,221.44
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Solution
The fourth proportional to 6,161,867.62, 8,502,636.39 and 3,549,221.44 is: 4,897,498.82
Step by Step Solution
- Step 1: Write the proportion equation
6,161,867.62 : 8,502,636.39 = 3,549,221.44 : x - Step 2: Convert to fraction form
6,161,867.62/8,502,636.39 = 3,549,221.44/x - Step 3: Cross multiply
6,161,867.62x = 8,502,636.39 × 3,549,221.44 - Step 4: Simplify right side
6,161,867.62x = 30,177,739,371,912.20 - Step 5: Solve for x
x = 30,177,739,371,912.20/6,161,867.62 - Step 6: Final answer
x = 4,897,498.82
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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.