Finding the Fourth Proportional to 2,097,120.70, 2,893,998.93 and 1,179,349.57
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Solution
The fourth proportional to 2,097,120.70, 2,893,998.93 and 1,179,349.57 is: 1,627,486.87
Step by Step Solution
- Step 1: Write the proportion equation
2,097,120.70 : 2,893,998.93 = 1,179,349.57 : x - Step 2: Convert to fraction form
2,097,120.70/2,893,998.93 = 1,179,349.57/x - Step 3: Cross multiply
2,097,120.70x = 2,893,998.93 × 1,179,349.57 - Step 4: Simplify right side
2,097,120.70x = 3,413,036,393,675.96 - Step 5: Solve for x
x = 3,413,036,393,675.96/2,097,120.70 - Step 6: Final answer
x = 1,627,486.87
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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.