Finding the Fourth Proportional to 5,076,729.98, 7,615,628.87 and 1,482,507.12
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Solution
The fourth proportional to 5,076,729.98, 7,615,628.87 and 1,482,507.12 is: 2,223,916.59
Step by Step Solution
- Step 1: Write the proportion equation
5,076,729.98 : 7,615,628.87 = 1,482,507.12 : x - Step 2: Convert to fraction form
5,076,729.98/7,615,628.87 = 1,482,507.12/x - Step 3: Cross multiply
5,076,729.98x = 7,615,628.87 × 1,482,507.12 - Step 4: Simplify right side
5,076,729.98x = 11,290,224,015,640.02 - Step 5: Solve for x
x = 11,290,224,015,640.02/5,076,729.98 - Step 6: Final answer
x = 2,223,916.59
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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.