Finding the Fourth Proportional to 2,097,121.19, 2,893,999.64 and 1,179,350.06
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Solution
The fourth proportional to 2,097,121.19, 2,893,999.64 and 1,179,350.06 is: 1,627,487.55
Step by Step Solution
- Step 1: Write the proportion equation
2,097,121.19 : 2,893,999.64 = 1,179,350.06 : x - Step 2: Convert to fraction form
2,097,121.19/2,893,999.64 = 1,179,350.06/x - Step 3: Cross multiply
2,097,121.19x = 2,893,999.64 × 1,179,350.06 - Step 4: Simplify right side
2,097,121.19x = 3,413,038,628,707.23 - Step 5: Solve for x
x = 3,413,038,628,707.23/2,097,121.19 - Step 6: Final answer
x = 1,627,487.55
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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.