Finding the Fourth Proportional to 6,513,887.36, 9,770,914.17 and 1,721,535.19
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Solution
The fourth proportional to 6,513,887.36, 9,770,914.17 and 1,721,535.19 is: 2,582,324.75
Step by Step Solution
- Step 1: Write the proportion equation
6,513,887.36 : 9,770,914.17 = 1,721,535.19 : x - Step 2: Convert to fraction form
6,513,887.36/9,770,914.17 = 1,721,535.19/x - Step 3: Cross multiply
6,513,887.36x = 9,770,914.17 × 1,721,535.19 - Step 4: Simplify right side
6,513,887.36x = 16,820,972,557,697.36 - Step 5: Solve for x
x = 16,820,972,557,697.36/6,513,887.36 - Step 6: Final answer
x = 2,582,324.75
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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.