Finding the Fourth Proportional to 4,317,622.42, 6,478,456.05 and 2,127,998.41
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Solution
The fourth proportional to 4,317,622.42, 6,478,456.05 and 2,127,998.41 is: 3,192,994.39
Step by Step Solution
- Step 1: Write the proportion equation
4,317,622.42 : 6,478,456.05 = 2,127,998.41 : x - Step 2: Convert to fraction form
4,317,622.42/6,478,456.05 = 2,127,998.41/x - Step 3: Cross multiply
4,317,622.42x = 6,478,456.05 × 2,127,998.41 - Step 4: Simplify right side
4,317,622.42x = 13,786,144,173,654.88 - Step 5: Solve for x
x = 13,786,144,173,654.88/4,317,622.42 - Step 6: Final answer
x = 3,192,994.39
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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.