Finding the Fourth Proportional to 1,412,115.17, 1,949,657.36 and 1,084,845.31
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Solution
The fourth proportional to 1,412,115.17, 1,949,657.36 and 1,084,845.31 is: 1,497,807.46
Step by Step Solution
- Step 1: Write the proportion equation
1,412,115.17 : 1,949,657.36 = 1,084,845.31 : x - Step 2: Convert to fraction form
1,412,115.17/1,949,657.36 = 1,084,845.31/x - Step 3: Cross multiply
1,412,115.17x = 1,949,657.36 × 1,084,845.31 - Step 4: Simplify right side
1,412,115.17x = 2,115,076,632,804.61 - Step 5: Solve for x
x = 2,115,076,632,804.61/1,412,115.17 - Step 6: Final answer
x = 1,497,807.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.