Finding the Fourth Proportional to 2,927,539.09, 4,040,305.85 and 1,687,192.98
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Solution
The fourth proportional to 2,927,539.09, 4,040,305.85 and 1,687,192.98 is: 2,328,500.31
Step by Step Solution
- Step 1: Write the proportion equation
2,927,539.09 : 4,040,305.85 = 1,687,192.98 : x - Step 2: Convert to fraction form
2,927,539.09/4,040,305.85 = 1,687,192.98/x - Step 3: Cross multiply
2,927,539.09x = 4,040,305.85 × 1,687,192.98 - Step 4: Simplify right side
2,927,539.09x = 6,816,775,667,172.93 - Step 5: Solve for x
x = 6,816,775,667,172.93/2,927,539.09 - Step 6: Final answer
x = 2,328,500.31
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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.