Finding the Fourth Proportional to 4,918,798.09, 7,377,642.96 and 1,324,828.09
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Solution
The fourth proportional to 4,918,798.09, 7,377,642.96 and 1,324,828.09 is: 1,987,092.87
Step by Step Solution
- Step 1: Write the proportion equation
4,918,798.09 : 7,377,642.96 = 1,324,828.09 : x - Step 2: Convert to fraction form
4,918,798.09/7,377,642.96 = 1,324,828.09/x - Step 3: Cross multiply
4,918,798.09x = 7,377,642.96 × 1,324,828.09 - Step 4: Simplify right side
4,918,798.09x = 9,774,108,631,398.75 - Step 5: Solve for x
x = 9,774,108,631,398.75/4,918,798.09 - Step 6: Final answer
x = 1,987,092.87
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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.