Finding the Fourth Proportional to 3,368,079.12, 4,646,629.68 and 2,076,677.52
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Solution
The fourth proportional to 3,368,079.12, 4,646,629.68 and 2,076,677.52 is: 2,865,001.40
Step by Step Solution
- Step 1: Write the proportion equation
3,368,079.12 : 4,646,629.68 = 2,076,677.52 : x - Step 2: Convert to fraction form
3,368,079.12/4,646,629.68 = 2,076,677.52/x - Step 3: Cross multiply
3,368,079.12x = 4,646,629.68 × 2,076,677.52 - Step 4: Simplify right side
3,368,079.12x = 9,649,551,400,220.79 - Step 5: Solve for x
x = 9,649,551,400,220.79/3,368,079.12 - Step 6: Final answer
x = 2,865,001.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.