Finding the Fourth Proportional to 2,218,998.09, 3,062,187.44 and 1,238,952.15
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Solution
The fourth proportional to 2,218,998.09, 3,062,187.44 and 1,238,952.15 is: 1,709,737.26
Step by Step Solution
- Step 1: Write the proportion equation
2,218,998.09 : 3,062,187.44 = 1,238,952.15 : x - Step 2: Convert to fraction form
2,218,998.09/3,062,187.44 = 1,238,952.15/x - Step 3: Cross multiply
2,218,998.09x = 3,062,187.44 × 1,238,952.15 - Step 4: Simplify right side
2,218,998.09x = 3,793,903,706,296.24 - Step 5: Solve for x
x = 3,793,903,706,296.24/2,218,998.09 - Step 6: Final answer
x = 1,709,737.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.