Finding the Fourth Proportional to 1,902,212.19, 2,625,323.06 and 1,177,293.38
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Solution
The fourth proportional to 1,902,212.19, 2,625,323.06 and 1,177,293.38 is: 1,624,832.11
Step by Step Solution
- Step 1: Write the proportion equation
1,902,212.19 : 2,625,323.06 = 1,177,293.38 : x - Step 2: Convert to fraction form
1,902,212.19/2,625,323.06 = 1,177,293.38/x - Step 3: Cross multiply
1,902,212.19x = 2,625,323.06 × 1,177,293.38 - Step 4: Simplify right side
1,902,212.19x = 3,090,775,448,715.96 - Step 5: Solve for x
x = 3,090,775,448,715.96/1,902,212.19 - Step 6: Final answer
x = 1,624,832.11
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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.