Finding the Fourth Proportional to 4,338,197.69, 6,507,319.64 and 1,305,542.79
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Solution
The fourth proportional to 4,338,197.69, 6,507,319.64 and 1,305,542.79 is: 1,958,321.14
Step by Step Solution
- Step 1: Write the proportion equation
4,338,197.69 : 6,507,319.64 = 1,305,542.79 : x - Step 2: Convert to fraction form
4,338,197.69/6,507,319.64 = 1,305,542.79/x - Step 3: Cross multiply
4,338,197.69x = 6,507,319.64 × 1,305,542.79 - Step 4: Simplify right side
4,338,197.69x = 8,495,584,231,699.68 - Step 5: Solve for x
x = 8,495,584,231,699.68/4,338,197.69 - Step 6: Final answer
x = 1,958,321.14
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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.