Finding the Fourth Proportional to 4,076,685.54, 6,115,763.79 and 1,679,221.62
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Solution
The fourth proportional to 4,076,685.54, 6,115,763.79 and 1,679,221.62 is: 2,519,135.38
Step by Step Solution
- Step 1: Write the proportion equation
4,076,685.54 : 6,115,763.79 = 1,679,221.62 : x - Step 2: Convert to fraction form
4,076,685.54/6,115,763.79 = 1,679,221.62/x - Step 3: Cross multiply
4,076,685.54x = 6,115,763.79 × 1,679,221.62 - Step 4: Simplify right side
4,076,685.54x = 10,269,722,778,981.14 - Step 5: Solve for x
x = 10,269,722,778,981.14/4,076,685.54 - Step 6: Final answer
x = 2,519,135.38
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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.