Finding the Fourth Proportional to 4,917,787.93, 7,372,216.09 and 1,721,170.32
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Solution
The fourth proportional to 4,917,787.93, 7,372,216.09 and 1,721,170.32 is: 2,580,192.50
Step by Step Solution
- Step 1: Write the proportion equation
4,917,787.93 : 7,372,216.09 = 1,721,170.32 : x - Step 2: Convert to fraction form
4,917,787.93/7,372,216.09 = 1,721,170.32/x - Step 3: Cross multiply
4,917,787.93x = 7,372,216.09 × 1,721,170.32 - Step 4: Simplify right side
4,917,787.93x = 12,688,839,526,734.45 - Step 5: Solve for x
x = 12,688,839,526,734.45/4,917,787.93 - Step 6: Final answer
x = 2,580,192.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.