Finding the Fourth Proportional to 4,212,285.39, 6,317,222.81 and 1,372,645.71
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Solution
The fourth proportional to 4,212,285.39, 6,317,222.81 and 1,372,645.71 is: 2,058,575.80
Step by Step Solution
- Step 1: Write the proportion equation
4,212,285.39 : 6,317,222.81 = 1,372,645.71 : x - Step 2: Convert to fraction form
4,212,285.39/6,317,222.81 = 1,372,645.71/x - Step 3: Cross multiply
4,212,285.39x = 6,317,222.81 × 1,372,645.71 - Step 4: Simplify right side
4,212,285.39x = 8,671,308,782,397.42 - Step 5: Solve for x
x = 8,671,308,782,397.42/4,212,285.39 - Step 6: Final answer
x = 2,058,575.80
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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.