Finding the Fourth Proportional to 3,497,787.27, 5,242,700.97 and 2,128,541.05
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Solution
The fourth proportional to 3,497,787.27, 5,242,700.97 and 2,128,541.05 is: 3,190,389.62
Step by Step Solution
- Step 1: Write the proportion equation
3,497,787.27 : 5,242,700.97 = 2,128,541.05 : x - Step 2: Convert to fraction form
3,497,787.27/5,242,700.97 = 2,128,541.05/x - Step 3: Cross multiply
3,497,787.27x = 5,242,700.97 × 2,128,541.05 - Step 4: Simplify right side
3,497,787.27x = 11,159,304,214,413.06 - Step 5: Solve for x
x = 11,159,304,214,413.06/3,497,787.27 - Step 6: Final answer
x = 3,190,389.62
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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.